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Google’s Incognito Mode Does Not Make Users Invisible. Here’s What It Actually Protects

 



Google’s Chrome Incognito mode can keep browsing history off a device, but it was never designed to make users anonymous online. A class-action lawsuit over the feature exposed how far that distinction could be misunderstood, with Google agreeing to delete or remediate billions of private-browsing records and change how it explains Incognito to users.

The lawsuit, Brown v. Google, was filed in 2020 and alleged that Google continued collecting information about users while they browsed through Chrome’s Incognito mode and other browsers’ private-browsing modes.

The plaintiffs initially sought billions of dollars in damages, with their claims eventually putting at least $5 billion at stake. However, Google did not ultimately agree to pay $5 billion. Under the settlement, there was no class-wide monetary payout. Instead, Google agreed to data deletion and remediation measures, changes to its privacy disclosures, and additional restrictions on data collection. Plaintiffs’ lawyers valued the settlement’s non-monetary relief at more than $5 billion, with estimates reaching $7.8 billion.

The case nevertheless exposed a fundamental problem with private browsing: preventing a browser from retaining a user's history is not the same thing as preventing websites, network operators or online services from observing that user's activity.


Google employees raised concerns about Incognito

The legal dispute became particularly notable after internal Google communications surfaced during litigation.

In one email, Google Chief Marketing Officer Lorraine Twohill told CEO Sundar Pichai that the company should make Incognito "truly private." She also warned that Google could not market the feature too strongly because it was "not truly private," requiring what she described as "fuzzy, hedging language."

Other internal communications were even more critical of the feature. According to material cited in the litigation, Google employees described Incognito as "misleading" and "effectively a lie," while another employee argued that Google should stop using the Incognito name and its spy-themed icon because users could misunderstand the protection it provided. Another recommendation suggested replacing the messaging with a warning that users were not protected from Google.

These discussions mattered because the lawsuit was not simply about whether Incognito stored browsing history locally. It questioned whether users were being given a sufficiently accurate understanding of what happened to their data after it left the browser.

Google disputed the allegations and maintained that the limitations of Incognito had been communicated to users. A Google spokesperson said the company believed the lawsuit was without merit and argued that Incognito was intended to provide a private browsing experience, rather than prevent websites and services from collecting information.


What Incognito actually does

Chrome's Incognito mode does provide a real privacy function, but that function is primarily local.

When a user opens an Incognito window, Chrome starts a separate browsing session. Once all Incognito windows are closed, Chrome does not retain the browsing history, cookies and site data, or information entered into forms from that session in the normal browser profile. Third-party cookies are also blocked by default in current versions of Chrome, although users can temporarily allow them for particular sites.

This makes Incognito useful in situations where the concern is another person accessing the same device.

Someone using a shared computer, for example, can browse for a gift without leaving the visited pages in Chrome's ordinary history. It can also provide a separate browsing session when a user does not want existing cookies and account sessions to carry over.

But there is an important limitation.

Incognito does not erase everything created during a session. Downloads remain on the device, and bookmarks saved during the session remain available after Incognito is closed. Signing into a website can also allow that service to associate activity with the account being used.

The key distinction is therefore simple: Incognito primarily limits what Chrome stores locally. It does not turn the internet connection into a private tunnel.


Your ISP and network administrator can still see activity

Opening an Incognito window does not prevent an internet service provider from observing network activity.

Google's own documentation states that organizations managing a network, including schools, employers and internet service providers, may be able to observe activity while a user is browsing in Incognito. Incognito also does not hide activity or location from the websites being visited.

This is an important distinction from encryption.

Chrome's HTTPS protections can encrypt traffic between a browser and an HTTPS-enabled website, helping prevent someone monitoring the connection from reading the contents of that traffic. Chrome also warns users when they are about to load sites without HTTPS, while Secure DNS can encrypt DNS lookups in supported configurations.

But HTTPS does not make the user anonymous.

The network still has visibility into connection metadata, while the destination website receives the request and can process information available to it.

In other words, Incognito and HTTPS solve different problems. Incognito reduces local traces. HTTPS protects communications in transit. Neither one, by itself, is an anonymity system.


Websites can still identify and track users

The privacy boundary becomes even clearer once a user reaches a website.

Google's current Chrome documentation explicitly states that Incognito does not change how websites collect data or how the services those websites use collect information. Sites can continue gathering information even when a user is not signed in.

Websites can also use first-party technologies and other mechanisms to understand activity within a session. Third-party cookies are only one part of the tracking ecosystem. Google itself notes that websites can use different mechanisms to personalize content and advertising and learn about activity across sites.

This is also where the distinction between an IP address and browser history matters.

Incognito can prevent a local Chrome profile from retaining the list of pages a user visited. It does not automatically conceal the network address from the websites receiving the connections.

And if a person voluntarily signs into a service while using Incognito, the service has an obvious account-level identifier with which to associate the activity. Google's own documentation warns that signing into a Google service or another website during an Incognito session can allow that site to remember the activity.


The lawsuit forced changes to Incognito

The settlement went further than simply changing a warning message.

According to the court filing, Google agreed to delete or remediate billions of records reflecting class members' private browsing activities. The company also agreed to continue blocking third-party cookies in Incognito for five years.

The filing provides an unusually detailed picture of why the cookie change mattered.

Google had historically collected its own third-party cookies when users visited non-Google websites. After the lawsuit was filed, Google implemented third-party-cookie blocking for Incognito users. Under the settlement, that protection had to remain in place for five years. The plaintiffs' filing said blocking data associated with Google's third-party cookies in Incognito could reduce Google's global annual revenue by nearly $500 million.

Google also agreed to remove four identified private-browsing detection signals. According to the plaintiffs' filing, those signals could reveal that a user had chosen private browsing and were then used to label the resulting data as private. The settlement required Google to delete those signals and agree not to use such detection mechanisms to identify or track private browsing.

The class covered an estimated 136 million users, according to court-related filings.


Google eventually changed the warning

The dispute also changed the language presented to Chrome users.

Chrome's current Incognito documentation now makes the limitation explicit. It says that Incognito does not change how data is collected by websites users visit and the services those websites use, including Google. Google also says that websites, network administrators and ISPs may still be able to observe activity during an Incognito session.

That clarification is arguably more important than the Incognito icon itself.

The familiar private-browsing interface can create an intuitive association between the words "Incognito" and anonymity. Technically, however, the feature is much narrower. Chromium describes Incognito as a window-level mode in which pages are not persisted to browsing history and a temporary cookie store is used for the session.

That is a local privacy mechanism, not an invisibility cloak.


So, is Incognito worth using?

Yes, if the objective is local privacy.

If you share a computer with other people, do not want a particular browsing session stored in your ordinary history, or want a temporary browser session separated from your normal cookies, Incognito remains useful.

It is also useful for testing how a website behaves without the cookies and account state associated with a normal session.

But users should not treat the Incognito icon as a guarantee that their online activity is hidden.

It does not prevent an ISP or network administrator from observing activity. It does not stop websites from collecting information. It does not automatically hide an IP address. It does not prevent a user from being identified after signing into an account. And it does not protect files downloaded to the device after the session ends.

Users seeking stronger privacy need to think in layers rather than relying on a single browser setting.

A privacy-focused browser can reduce tracking at the browser level. Tracker and content blockers can limit third-party collection. A properly configured VPN can conceal the user's IP address from the websites they visit and hide destination traffic from the ISP, although the VPN provider itself becomes part of the trust model. Keeping the browser, operating system and extensions updated remains essential because privacy controls cannot compensate for an unpatched security vulnerability.

Chrome itself should also not be treated as static. Google continues to modify its privacy and security architecture. Third-party-cookie protections in Incognito are already part of the browser's privacy model, while Google has also explored additional protections for IP addresses in Incognito.

The larger lesson from the Incognito lawsuit is therefore not that private browsing is useless.

It is that privacy has layers, and the word "private" can mean very different things depending on where the data is stored, who controls the network and which services receive the user's requests.

Incognito can hide your browsing history from someone checking the same device.

It cannot make you disappear from the internet.

Thai Gambling SEO Poisoning Campaign Compromises 163 Organizations Through Abandoned DNS Records

 

Surprisingly, a major SEO poisoning effort tied to Thai gambling networks has breached 163 groups in over thirty nations - leveraging outdated cloud DNS setups. Forgotten domain name system delegations were seized by hackers, according to findings from Cyble's research team. These compromised entries then hosted gambling sites in Thai, piggybacking on legitimate corporate web addresses. Government bodies faced risks alongside hospitals, banks, schools, and essential service providers. The attack spanned industries once thought too secure for such oversights. 

Abandoned Azure DNS zone delegations form the main focus of this attack method. Companies shutting down cloud initiatives often leave DNS entries intact by mistake. These lingering records catch the attention of hackers looking for weaknesses. Under their own accounts, attackers rebuild the forgotten zones once tied to those domains. Control shifts to them without immediate detection. What follows is silent redirection through seemingly valid subdomains. Users encounter harmful material believing it trustworthy. 

Search systems treat the pages as genuine due to unchanged domain signals. Browsers show no warnings because technical checks pass unnoticed. Oversight at decommissioning enables this entire chain. One way hackers operated involved deploying a gambling toolkit based on Next.js, protected by real Let’s Encrypt wildcard certificates. Security systems often overlook such threats since the pages appear under trusted corporate domains carrying proper encryption credentials. When analysts reviewed the situation, they discovered most targets - 161 out of 163 - were still infiltrated. 

What made detection hard was not just the tech used, but how convincingly it mimicked authorized web traffic. Unusual DNS patterns in a Verizon subdomain initially drew attention to the campaign. Over 1,000 subdomains were found serving Thai gambling content - each packed with referral links meant to earn signup-based payouts. Identical code markers tied these sites together: matching Next.js build IDs, favicons, and redirect paths showed up repeatedly. Investigations then revealed similar setups spread across 162 separate entities. Where one breach ended, another began; nearly all of them echoed the same digital fingerprints. Four main tactics powered the attacks, analysis showed. 

Most frequent: hijacking Azure DNS zones - over 150 groups impacted. Some breaches emerged from unused DigitalOcean domains; two companies fell victim this way. Misconfigured wildcards redirected data flow in separate cases, benefiting hostile servers. On its own track, Verizon's setup hosted a surge of deceptive A-records, exceeding one thousand entries. Certificate transparency logs show certain unused domains stayed dormant for long periods prior to being hijacked. One example involves a drug maker's subdomain, which saw zero valid certificate issuance past 2019 - then suddenly received a fresh certificate issued by adversaries in April 2026. 

Among the sites involved were ibiza99.autos, big888.store, seven77.click, and link99.nova555.rest, each tied to affiliate systems bringing in income. Hidden behind them sat a network of 103 machines based in Hong Kong, discovered by analysts who noticed uniform admin software, matching security credentials, along with mirrored setup patterns across every server. Not one alert was raised before the breach exposed weak spots in basic domain setups. 

A closer look shows outdated links lingering long after they should have been dropped. These loose ends give attackers room to move without detection. Monitoring public logs might catch early signs of misuse, though many teams skip this step. Old ties to cloud services often stay active, quietly inviting abuse. When ignored, such gaps let criminals twist legitimate sites toward shady goals. Routine checks could block these paths, yet few organizations follow through consistently.

Tropic Trooper Expands Operations with Home Router Attacks and New Targets in Asia




A China-linked advanced persistent threat group known as Tropic Trooper is modifying how it operates, introducing unusual attack methods and expanding both its target base and technical toolkit. Recent observations show the group experimenting with new intrusion paths, including an incident where a victim’s personal home Wi-Fi network became the entry point.

The activity was discussed during a session at Black Hat Asia, where researchers explained that the group is no longer limiting itself to conventional enterprise-focused attacks.

Tropic Trooper, also tracked under names such as Pirate Panda, APT23, Bronze Hobart, and Earth Centaur, has been active since at least 2011. Earlier campaigns primarily focused on sectors including government, military, healthcare, transportation, and high-technology organizations located in Taiwan, the Philippines, and Hong Kong. More recently, analysts identified a separate campaign in the Middle East. Current findings now show that the group is directing efforts toward specific individuals in countries such as Japan, South Korea, and Taiwan, indicating that both its geographic reach and victim selection strategy are expanding.

Researchers from Itochu Cyber & Intelligence noted that one defining characteristic of the group is its willingness to rely on unconventional access techniques. In earlier cases, this included placing fake Wi-Fi access points inside targeted office environments. The group is also known for quickly adopting newly available or open-source malware, which allows it to change its attack chains frequently and complicates tracking efforts. Recent investigations conducted alongside Zscaler confirm that these patterns continue, with multiple new tools and creative delivery mechanisms observed.


Compromise Originating from a Home Router

During the conference session titled “Tropic Trooper Reloaded: Unraveling the Invisible Supply Chain Mystery,” researchers Suguru Ishimaru and Satoshi Kamekawa described a case that initially appeared difficult to trace. The infection chain delivered a Cobalt Strike beacon carrying a watermark value “520,” a marker previously associated with Tropic Trooper activity since 2024.

The affected user had downloaded what appeared to be a legitimate update file named youdaodict.exe for a widely used dictionary application. However, the update package contained two small additional files, one of which was an XML file that triggered the infection. At first, investigators could not determine how the software update itself had been altered.

Further analysis revealed that unauthorized changes had been made to the victim’s home router. Nearly a year later, the same system was compromised again using an identical infection process. This prompted a deeper investigation, which uncovered manipulation of DNS settings tied to the software update process.

Although the domain name and application appeared legitimate, the underlying IP address had been redirected. Researchers traced this manipulation back to the home router, where DNS configurations had been modified to point toward an attacker-controlled server. This technique aligns with what is commonly known as an “evil twin” scenario, where legitimate traffic is silently redirected without the user’s awareness.

This case demonstrates that the group is not limiting itself to corporate environments and is willing to exploit personal infrastructure to reach its targets.


Expansion of Malware and Targeting Strategy

The investigation revealed additional infrastructure linked to the group. Researchers identified a publicly accessible Amazon S3 bucket containing 48 files, including new malware samples and phishing pages designed to imitate authentication interfaces for applications such as Signal.

The evidence suggests that Tropic Trooper is focusing on carefully selected individuals, using tailored decoy content in regions including Japan, Taiwan, and South Korea. This represents a change from earlier campaigns that were more organization-centric.

Because the group occasionally reuses IP addresses and file naming patterns, researchers attempted to reconstruct parts of its command-and-control environment through brute-force techniques. This effort led to the discovery of several encrypted payloads stored as .dat files.

After decrypting these files, analysts identified multiple malware components. These included DaveShell and Donut loader, both open-source tools not previously linked to Tropic Trooper. They also identified Merlin Agent and Apollo Agent, which are remote access trojans written in Go and associated with the Mythic command-and-control framework. In addition, a custom backdoor named C6DOOR was found, also developed using the Go programming language.

At the same time, the group continues to deploy previously known tools. These include the EntryShell backdoor, heavily obfuscated variants of the Xiangoop loader, and the previously mentioned Cobalt Strike beacon with the identifiable watermark.


Parallel Campaigns and Delivery Methods

Researchers from Zscaler’s ThreatLabz team reported a related campaign involving a malicious ZIP archive containing documents designed to resemble military-related material. These files were used to lure Chinese-speaking individuals located in Japan and South Korea.

In this campaign, attackers used a modified version of the SumatraPDF application to install an AdaptixC2 beacon. The infection chain eventually resulted in the deployment of Visual Studio Code on compromised systems, likely to support further malicious activity.


Operational Pattern and Security Implications

Taken together, these findings show that Tropic Trooper is rapidly updating its tools and experimenting with different attack paths while extending its reach across multiple regions. Researchers involved in the Black Hat Asia session stated that recent investigations conducted in 2025 revealed several previously unseen malware families, tools, and decoy materials, offering deeper visibility into the group’s activities.

They also observed increased reliance on open-source components within the attack chain. This approach allows the group to modify its methods quickly without relying entirely on custom-built malware.

The pace at which these changes are being introduced demonstrates that the group can adjust its operations within short timeframes, making detection and defense more difficult for targeted organizations and individuals.


eth.limo DNS Hijack Thwarted By DNSSEC After Social Engineering Attack On EasyDNS

 

Unexpectedly, the ENS gateway known as eth.limo revealed a DNS hijack stemming from a social engineering scheme aimed at EasyDNS, its domain provider. Though settings shifted temporarily under unauthorized access, safeguards held firm throughout. Protection layers blocked harm, keeping user activity untouched during the episode. Compromise occurred at the registrar level - yet defenses prevented escalation beyond domain redirection. Hours after the incident started, a person pretending to be part of the eth.limo group tricked EasyDNS support into starting an account reset. 

Because of that mistaken trust, the intruder gained entry and altered where the domain pointed, shifting it first through servers at Cloudflare, then moving again toward Namecheap systems. Right away, automatic warnings went off once those shifts happened, which gave the real eth.limo members time to react fast. Their quick actions reversed the breach soon afterward. A single point of failure in eth.limo allowed it to act like a bridge, routing requests from regular browsers to data hosted on networks such as IPFS, Arweave, and Swarm. Because its DNS setup uses wildcards, countless .eth addresses rely on the same infrastructure - making them vulnerable when one part fails. 

Traffic meant for legitimate decentralized sites might instead flow toward harmful servers under attacker control. Notable resources, even those tied to figures like Vitalik Buterin, faced potential exposure should deception tactics have taken hold. Stopping the damage came down to DNS Security Extensions - called DNSSEC by many. Not through speed, but through verification: it checks DNS replies with digital signatures. Without access to the correct private keys, the hacker's fake entries could not pass these tests. Because validation failed, devices refused the corrupted data, showing failures rather than loading harmful pages. 

Though eth.limo and EasyDNS saw interference, they noted minimal reach due to this layer. To date, no individuals have faced consequences from the attempt. Surprisingly, EasyDNS spoke out after the event, calling it their initial customer-targeted social engineering success in almost thirty years. Following this, improvements to internal procedures are underway. Instead of old methods, eth.limo will shift to a tighter system - one without recovery pathways. That change aims to block repeat incidents. 

Over time, weaker entry points may fade. Security evolves differently now. Most recent cases show similar patterns across decentralized services. Though blockchains themselves stay distributed and protected, the websites people actually visit run on standard domain setups. These entry points open doors hackers are now using more frequently. Instead of breaking encryption, they shift traffic by manipulating DNS records. Users get sent elsewhere without noticing - sometimes losing assets quickly. Security layers matter more than ever, shown clearly by what happened with eth.limo. 

Even when human manipulation tricks succeed, safeguards such as DNSSEC often stop further damage. Because digital dangers keep changing shape, companies - especially in cryptocurrency - now pay closer attention to protecting not just blockchain networks but also the traditional services people rely on to reach them.

Amazon resolves major AWS outage that disrupted apps, websites, and banks globally



 


A widespread disruption at Amazon Web Services (AWS) on Monday caused several high-profile apps, websites, and banking platforms to go offline for hours before the issue was finally resolved later in the night. The outage, which affected one of Amazon’s main cloud regions in the United States, drew attention to how heavily the global digital infrastructure depends on a few large cloud service providers.

According to Amazon’s official update, the problem stemmed from a technical fault in its Domain Name System (DNS) — a core internet function that translates website names into numerical addresses that computers can read. When the DNS experiences interruptions, browsers and applications lose their ability to locate and connect with servers, causing widespread loading failures. The company confirmed the issue affected its DynamoDB API endpoint in the US-EAST-1 region, one of its busiest hubs.

The first reports of disruptions appeared around 7:00 a.m. BST on Monday, when users began facing difficulties accessing multiple platforms. As the issue spread, users of services such as Snapchat, Fortnite, and Duolingo were unable to log in or perform basic functions. Several banking websites, including Lloyds and Halifax, also reported temporary connectivity problems.

The outage quickly escalated to a global scale. According to the monitoring website Downdetector, more than 11 million user complaints were recorded throughout the day, an unprecedented figure that reflected the magnitude of the disruption. Early in the incident, Downdetector noted over four million reports from more than 500 affected platforms within just a few hours, which was more than double its usual weekday average.

AWS engineers worked through the day to isolate the source of the issue and restore affected systems. To stabilize its network, Amazon temporarily limited some internal operations to prevent further cascading failures. By 11:00 p.m. BST, the company announced that all services had “returned to normal operations.”

Experts said the incident underlined the vulnerabilities of an increasingly centralized internet. Professor Alan Woodward of the University of Surrey explained that modern online systems are highly interdependent, meaning that an error within one major provider can ripple across numerous unrelated services. “Even small technical mistakes can trigger large-scale failures,” he said, pointing out how human or software missteps in one corner of the infrastructure can have global consequences.

Professor Mike Chapple from the University of Notre Dame compared the recovery process to restoring electricity after a large power outage. He said the system might “flicker” several times as engineers fix underlying causes and bring services gradually back online.

Industry observers say such incidents reflect a growing systemic risk within the cloud computing sector, which is dominated by a handful of major firms such as Amazon, Microsoft, and Google collectively controlling nearly 70% of the market. Cori Crider, director of the Future of Technology Institute, described the current model as “unsustainable,” warning that heavy reliance on a few global companies poses economic and security risks for nations and organizations alike.

Other experts suggested that responsibility also lies with companies using these services. Ken Birman, a computer science professor at Cornell University, noted that many organizations fail to develop backup mechanisms to keep essential applications online during provider outages. “We already know how to build more resilient systems,” he said. “The challenge is that many businesses still rely entirely on their cloud providers instead of investing in redundancy.”

Although AWS has not released a detailed technical report yet, its preliminary statement confirmed that the outage originated from a DNS-related fault within its DynamoDB service. The incident, though resolved, highlights a growing concern within the cybersecurity community: as dependence on cloud computing deepens, so does the scale of disruption when a single provider experiences a failure.


How to Stay Safe on Public Wi-Fi: Myths, Real Risks, and Smart Habits

 

Many people view public Wi-Fi as an open invitation for hackers to steal their personal data, but this perception isn’t entirely accurate. While using Wi-Fi in public places such as cafés, airports, or hotels does come with certain cybersecurity risks, the actual danger lies not in the connection itself but in how people use it.

Modern websites and apps typically use encryption protocols like HTTPS, which secure most of your sensitive information, including passwords and messages, making casual data theft far less likely than commonly believed. However, even with HTTPS in place, not all your online activity is invisible. Some data, like the websites you visit, may still be visible through DNS queries. 

Additionally, not every service online uses robust encryption, leaving some room for exposure. These vulnerabilities aren’t as dramatic as horror stories suggest, but they do exist. The greater risk occurs when users unknowingly connect to rogue networks. Cybercriminals often set up fake Wi-Fi hotspots with names that closely mimic those of legitimate businesses, such as a café or airport. Once someone connects to these impostor networks, attackers can monitor traffic, inject malicious content, or trick users into providing login details through fake portals. 

This tactic is especially effective in busy locations where users are in a rush to get online. A study from Statista revealed that about 40% of public Wi-Fi users have faced some form of data breach. These breaches typically occur not because Wi-Fi is inherently unsafe, but because people connect without confirming if the network is authentic. Once connected to a malicious hotspot, attackers can intercept data or even hijack active sessions, impersonating the user without ever needing their password. 

To safely use public Wi-Fi, a few precautions can go a long way. Always verify the network name with staff before connecting, and avoid networks that don’t require passwords unless you are certain of their authenticity. Disable automatic connections and file sharing on your devices when in public spaces. Using a virtual private network (VPN) provides an additional layer of protection by encrypting your data, even if you’ve joined a compromised network. 

However, it’s important to avoid free VPN services, which may compromise your privacy. Reputable providers offer stronger protections and better security practices. Users should also be wary of login portals that ask for more than basic information. Legitimate public Wi-Fi networks usually request a simple access code, such as one printed on a receipt or linked to a hotel room number. Avoid entering personal details like email addresses or credit card numbers unless you’re absolutely certain the network is genuine. 

For sensitive tasks like banking or shopping, it’s best to wait until you’re on a secure, trusted network or switch to mobile data. Keeping your device software up to date is another crucial step. Manufacturers frequently release patches for known vulnerabilities, and delaying updates means exposing yourself to risks that have already been fixed. Make a habit of updating your system before heading out, rather than waiting until you’re already traveling. 

In summary, public Wi-Fi isn’t the threat it’s often made out to be, but carelessness can turn it into one. Most attackers rely on social engineering and users’ haste, not on technical flaws in the network. Taking a few extra seconds to verify the network, using a VPN, and staying alert to suspicious login pages can significantly reduce your risk. Being mindful while connecting can be the difference between staying safe and falling victim to a data breach.

Hackers Use DNS Records to Hide Malware and AI Prompt Injections

 

Cybercriminals are increasingly leveraging an unexpected and largely unmonitored part of the internet’s infrastructure—the Domain Name System (DNS)—to hide malicious code and exploit security weaknesses. Security researchers at DomainTools have uncovered a campaign in which attackers embedded malware directly into DNS records, a method that helps them avoid traditional detection systems. 

DNS records are typically used to translate website names into IP addresses, allowing users to access websites without memorizing numerical codes. However, they can also include TXT records, which are designed to hold arbitrary text. These records are often used for legitimate purposes, such as domain verification for services like Google Workspace. Unfortunately, they can also be misused to store and distribute malicious scripts. 

In a recent case, attackers converted a binary file of the Joke Screenmate malware into hexadecimal code and split it into hundreds of fragments. These fragments were stored across multiple subdomains of a single domain, with each piece placed inside a TXT record. Once an attacker gains access to a system, they can quietly retrieve these fragments through DNS queries, reconstruct the binary code, and deploy the malware. Since DNS traffic often escapes close scrutiny—especially when encrypted via DNS over HTTPS (DOH) or DNS over TLS (DOT)—this method is particularly stealthy. 

Ian Campbell, a senior security engineer at DomainTools, noted that even companies with their own internal DNS resolvers often struggle to distinguish between normal and suspicious DNS requests. The rise of encrypted DNS traffic only makes it harder to detect such activity, as the actual content of DNS queries remains hidden from most monitoring tools. This isn’t a new tactic. Security researchers have observed similar methods in the past, including the use of DNS records to host PowerShell scripts. 

However, the specific use of hexadecimal-encoded binaries in TXT records, as described in DomainTools’ latest findings, adds a new layer of sophistication. Beyond malware, the research also revealed that TXT records are being used to launch prompt injection attacks against AI chatbots. These injections involve embedding deceptive or malicious prompts into files or documents processed by AI models. 

In one instance, TXT records were found to contain commands instructing a chatbot to delete its training data, return nonsensical information, or ignore future instructions entirely. This discovery highlights how the DNS system—an essential but often overlooked component of the internet—can be weaponized in creative and potentially damaging ways. 

As encryption becomes more widespread, organizations need to enhance their DNS monitoring capabilities and adopt more robust defensive strategies to close this blind spot before it’s further exploited.

NPM Developers Targeted: Fake Packages Secretly Collecting Personal Data

 



Security experts are warning people who use NPM — a platform where developers share code — to be careful after finding several fake software packages that secretly collect information from users' computers.

The cybersecurity company Socket found around 60 harmful packages uploaded to NPM starting mid-May. These were posted by three different accounts and looked like normal software, but once someone installed them, a hidden process ran automatically. This process collected private details such as the device name, internal IP address, the folder the user was working in, and even usernames and DNS settings. All of this was sent to attackers without the user knowing.

The script also checked whether it was running in a cloud service or a testing environment. This is likely how the attackers tried to avoid being caught by security tools.

Luckily, these packages didn’t install extra malware or try to take full control of users’ systems. There was no sign that they stayed active on the system after installation or tried to gain more access.

Still, these fake packages are dangerous. The attackers used a trick known as "typosquatting" — creating names that are nearly identical to real packages. For example, names like “react-xterm2” or “flipper-plugins” were designed to fool people who might type quickly and not notice the slight changes. The attackers appeared to be targeting software development pipelines used to build and test code automatically.

Before they were taken down, these fake packages were downloaded nearly 3,000 times.

In a separate discovery, Socket also found eight other harmful packages on NPM. These had been around for about two years and had been downloaded over 6,000 times. Unlike the first group, these could actually damage systems by deleting or corrupting data.

If you've used any unfamiliar packages recently, remove them immediately. Run a full security scan, change your passwords, and enable two-factor authentication wherever possible.

This incident shows how hackers are now using platforms like NPM to reach developers directly. It’s important to double-check any code you install, especially if it’s from a source you don’t fully recognize.


Türkiye-Linked Hackers Exploit Zero-Day in Messaging App to Target Kurdish Military

 

A Türkiye-aligned cyberespionage group, Marbled Dust, has exploited a previously unknown zero-day vulnerability to launch attacks on users of Output Messenger — specifically those associated with the Kurdish military in Iraq, according to a report from Microsoft Threat Intelligence.

The uncovered flaw, now identified as CVE-2025-27920, is a directory traversal vulnerability in the LAN-based Output Messenger application. It enables authenticated users to break out of intended directories, granting access to sensitive system files or allowing the deployment of malicious payloads to the server’s startup folder.

"Attackers could access files such as configuration files, sensitive user data, or even source code, and depending on the file contents, this could lead to further exploitation, including remote code execution," Srimax, the app's developer, stated in a security advisory released in December.

The vulnerability was patched in Output Messenger V2.0.63, but attackers exploited it before updates were applied. Microsoft attributes the campaign to a group tracked as Sea Turtle, SILICON, and UNC1326, known collectively as Marbled Dust.

After infiltrating the Output Messenger Server Manager, attackers installed malware that allowed them to monitor communications, impersonate users, and disrupt internal systems.

"While we currently do not have visibility into how Marbled Dust gained authentication in each instance, we assess that the threat actor leverages DNS hijacking or typo-squatted domains to intercept, log, and reuse credentials, as these are techniques leveraged by Marbled Dust in previously observed malicious activity," Microsoft explained.

Following initial compromise, a backdoor named OMServerService.exe was deployed to establish communication with an attacker-controlled command-and-control server (api.wordinfos[.]com). This enabled the group to gather victim-specific data.

In one example, an Output Messenger client connected to an IP tied to Marbled Dust, likely initiating data exfiltration. Shortly after, the system began collecting files and compressing them into a RAR archive for extraction.

Marbled Dust has a history of targeting Europe and the Middle East, especially telecom, IT firms, and government entities critical of the Turkish regime. The group is known to exploit internet-facing vulnerabilities and compromise DNS registries to carry out man-in-the-middle (MitM) attacks.

"This new attack signals a notable shift in Marbled Dust's capability while maintaining consistency in their overall approach," Microsoft noted. "The successful use of a zero-day exploit suggests an increase in technical sophistication and could also suggest that Marbled Dust's targeting priorities have escalated or that their operational goals have become more urgent."

In recent years, Marbled Dust has been connected to espionage campaigns in the Netherlands, with a focus on ISPs, telecommunication provi

NSA Warns of Fast Flux DNS Evasion Employed by Cybercrime Outfits

 

The FBI, the Cybersecurity and Infrastructure Security Agency, and a group of international partners have warned that cyber threat groups are utilising a technique known as "fast flux" to conceal the whereabouts of malicious servers, which poses a substantial threat to national security. 

Authorities have warned that both criminal and state-linked threat outfits have exploited Domain Name System records that change frequently to obscure the locations of these servers. They can also build extremely resilient command and control (C2) infrastructure to mask their malicious activities, particularly when dealing with botnets. 

Security officials also stated that fast flux techniques are utilised not only for C2 communications, but also in phishing attempts to prevent social engineering websites from being blacklisted or taken down. 

Authorities did not directly identify any threat actors currently employing the approach or indicate whether a campaign utilising fast flux is underway. They did, however, make reference to earlier activities, pointing out that fast flux was utilised in ransomware attacks connected to Hive and Nefilim. The advisory further claims that Gamaredon, a threat actor supported by Russia, has concealed threat activity using rapid flux. 

According to Andy Piazza, senior director of threat intelligence at Unit 42 of Palo Alto Networks, quick flux is a tactic used by attackers to put a financial burden on security operations teams by making it extremely expensive and challenging to identify ongoing threat activities.

Piazza stated that Trident Ursa employed fast flux during the early stages of Russia's invasion of Ukraine. According to Piazza, fast flux enables an opponent to quickly modify their infrastructure by changing hundreds of domains per minute. 

The advisory notes that there are two variations of the method known as single flux and double flux. Multiple IP addresses are linked to a single domain name using single flux. Double Flux modifies the DNS name server in addition to the domain name. 

Prevention tips

Authorities recommended a number of actions to recognise and mitigate the activity: 

  • Configure anomaly detection systems for DNS query logs. 
  • Employ threat intelligence feeds to detect known fast flux domains and associated IP addresses. 
  • Increase the logging and monitoring of DNS traffic. 
  • Consider sinkholing a hostile domain.

CrossBarking Exploit in Opera Browser Exposes Users to Extensive Risks

 

A new browser vulnerability called CrossBarking has been identified, affecting Opera users through “private” APIs that were meant only for select trusted sites. Browser APIs bridge websites with functionalities like storage, performance, and geolocation to enhance user experience. Most APIs are widely accessible and reviewed, but private ones are reserved for preferred applications. Researchers at Guardio found that these Opera-specific APIs were vulnerable to exploitation, especially if a malicious Chrome extension gained access. Guardio’s demonstration showed that once a hacker gained access to these private APIs through a Chrome extension — easily installable by Opera users — they could run powerful scripts in a user’s browser context. 
The malicious extension was initially disguised as a harmless tool, adding pictures of puppies to web pages. 

However, it also contained scripts capable of extensive interference with Opera settings. Guardio used this approach to hijack the settingsPrivate API, which allowed them to reroute a victim’s DNS settings through a malicious server, providing the attacker with extensive visibility into the user’s browsing activities. With control over the DNS settings, they could manipulate browser content and even redirect users to phishing pages, making the potential for misuse significant. Guardio emphasized that getting malicious extensions through Chrome’s review process is relatively easier than with Opera’s, which undergoes a more intensive manual review. 

The researchers, therefore, leveraged Chrome’s automated, less stringent review process to create a proof-of-concept attack on Opera users. CrossBarking’s implications go beyond Opera, underscoring the complex relationship between browser functionality and security. Opera took steps to mitigate this vulnerability by blocking scripts from running on private domains, a strategy that Chrome itself uses. However, they have retained the private APIs, acknowledging that managing security with third-party apps and maintaining functionality is a delicate balance. 

Opera’s decision to address the CrossBarking vulnerability by restricting script access to domains with private API access offers a practical, though partial, solution. This approach minimizes the risk of malicious code running within these domains, but it does not fully eliminate potential exposure. Guardio’s research emphasizes the need for Opera, and similar browsers, to reevaluate their approach to third-party extension compatibility and the risks associated with cross-browser API permissions.


This vulnerability also underscores a broader industry challenge: balancing user functionality with security. While private APIs are integral to offering customized features, they open potential entry points for attackers when not adequately protected. Opera’s reliance on responsible disclosure practices with cybersecurity firms is a step forward. However, ongoing vigilance and a proactive stance toward enhancing browser security are essential as threats continue to evolve, particularly in a landscape where third-party extensions can easily be overlooked as potential risks.


In response, Opera has collaborated closely with researchers and relies on responsible vulnerability disclosures from third-party security firms like Guardio to address any potential risks preemptively. Security professionals highlight that browser developers should consider the full ecosystem, assessing how interactions across apps and extensions might introduce vulnerabilities.

New Coalition to Take Down Online Scams, Led by Google

 




As cybercrime continues to cost the world economy billions annually, a robust new coalition launched by Google, the DNS Research Federation, and the Global Anti-Scam Alliance (GASA) is working to disrupt online scammers at a global level. By all accounts, this partnership constitutes a "game changer." The United Coalition focuses on revealing and thwarting fraudulent activity online.

Online Scam Fighting via the Global Signal Exchange

The coalition will be launching a data platform called Global Signal Exchange, which will 24/7 scan open cyberspaces for signs of fraudulent activity and issue alerts. For a platform, it will leverage the DNS Research Federation's DAP.live: an aggregation platform that consolidates feeds from over 100 sources to spot potential scams. Google enhances these efforts while providing relevant feeds from DAP.live that should provide an even more comprehensive view of online fraud as it begins to take shape.

A Growing Threat in the Digital Age

Some scams are becoming almost too clever nowadays, to the extent that an estimated $8.6 billion is lost worldwide due to such scams each year, with few cases going to convictions. In the UK alone, each person is targeted nearly 240 times a year by a scammer via emails or texts from fake legitimate businesses or offices asking them for personal information, such as bank or credit card details.

Britain estimates the average loss per person due to scams is £1,169. Overall, 11% of adults admit that they have fallen for online fraud. More alarming is the economic loss in the proportion of older adults, which indicates people aged 55 and above lose an average amount of £2,151. Those between 36 and 54 lose about £1,270, while those less than 35 years old lose about £851.

The Call for International Cooperation

Another challenge while combating online scams is that many of the criminal organisations behind these scams are operating from abroad, often from such countries as Russia and North Korea. This international nature makes it even more difficult for local authorities to keep an eye on and legally prosecute them. The coalition aims to balance this gap by sharing scam information in real time, thereby creating a chance to respond quickly to new emerging threats. This collaborative approach will serve crucially because cybercriminals often operate in groups and have done all of this work so fast, which has made it really hard to fight scams alone by any single organisation.

Scammers collaborate, they pool and they act fast. The days when individual brands could combat cybercrime on their own are gone. Global Signal Exchange usher in a new chapter in the battle against cybercrime, and Google's partnership promises to be the game-changer," said Emily Taylor, Chief Executive of DNS Research Federation.

Scammers Use All Too Familiar Brand Names Trapping Victims

The research carried out by the coalition indicates that fraudsters make use of the identity of conspicuous brands to acquire victims. Some of the very popular brands currently being used in scams are: home delivery and courier services; financial services, including banks, insurance, and loan companies; companies in the Technology, Media, and Telecoms sector; many public sector organisations, including HMRC and local councils; and, in a few instances, prominent charities.

According to DNS Research Federation, the volume of scams seems to peak each year in November during the Black Friday promotions and associated online shopping. Much of such activity is occurring because of heightened online activity. Thus, proper defences are quite essential when activity reaches such peak levels.

An alliance towards consumers' protection around the world

The Global Anti-Scam Alliance was established in 2021 to create a network of businesses that stand together to protect consumers online from fraud. GASA, in partnership with Google and the DNS Research Federation, will decrease the profitability of scams in order to make them less appealing to cybercriminals.

As threats in cyber continue to grow and seemingly intensify, this alliance will very largely form a critical element in the protection of users internationally. The Global Signal Exchange represents a major leap forward in efforts on anti-scam activities as it promises that consumers will be better protected from online fraud, and are able to navigate an increasingly complex digital environment more securely.


Understanding the Domain Name System (DNS): How It Works and Why It Matters


The Domain Name System (DNS) serves as a critical element of the internet’s infrastructure, acting like a phone book that translates human-friendly domain names into the numerical IP addresses that computers use to communicate. Without DNS, accessing websites would be far more complicated, requiring users to remember lengthy strings of numbers instead of simple names like “google.com.” When you enter a website URL into your browser, the DNS process begins. This request, known as a “DNS query,” first goes to a DNS resolver—typically provided by your Internet Service Provider (ISP) or a third-party DNS service like Google Public DNS or Cloudflare. 

The resolver acts as an intermediary, starting the process to find the corresponding IP address of the domain name you’ve entered. The DNS resolver contacts one of the 13 root servers that make up the top level of the DNS hierarchy. These servers don’t hold the IP address themselves but provide information about which “Top-Level Domain” (TLD) server to query next. The TLD server is specific to the domain extension you’ve entered (e.g., “.com,” “.net,” “.org”) and points the resolver to the authoritative name server responsible for the particular website. The authoritative name server then provides the IP address back to the resolver, which, in turn, sends it to your browser. 

The browser then connects to the web server using this IP address, loading the website you want to visit. This process, though complex, happens in milliseconds. Security is a vital aspect of DNS because it is a frequent target for cyberattacks. One common threat is DNS spoofing, where attackers redirect traffic to fraudulent websites to steal data or spread malware. DNS hijacking is another risk, where hackers manipulate DNS records to divert users to malicious sites. These threats emphasize the importance of DNS security protocols like DNS over HTTPS (DoH) and DNS over TLS (DoT), which encrypt DNS requests to prevent interception by malicious entities, thus protecting users’ data and privacy. 

Switching to a third-party DNS service can enhance your internet experience in terms of speed, reliability, and security. Services like Google Public DNS, OpenDNS, or Cloudflare’s 1.1.1.1 offer faster query response times, better privacy protection, and can help circumvent geographical restrictions imposed by ISPs. These alternatives often provide built-in security features, such as blocking malicious sites, to offer an extra layer of protection. 

DNS is the backbone of internet browsing, seamlessly converting domain names into IP addresses. By understanding its role and the importance of security measures, users can better appreciate how DNS keeps the internet functional and secure. Whether ensuring that websites load correctly or protecting against cyber threats, DNS plays an indispensable role in our everyday online activities.

New Hacking Method: Akami DNS Data Exfiltration



 


When it comes to cybercrime, getting into a system is only half the battle; the real challenge is extracting the stolen data without being detected. Companies often focus on preventing unauthorised access, but they must also ensure that data doesn’t slip out undetected. Hackers, driven by profit, constantly innovate methods to exfiltrate data from corporate networks, making it essential for businesses to understand and defend against these techniques.

The Challenge of Data Exfiltration

Once hackers breach a network, they need to smuggle data out without triggering alarms. Intrusion Detection Systems (IDS) are crucial in this fight. They monitor network traffic and system activities for suspicious patterns that may indicate unauthorised data extraction attempts. IDS can trigger alerts or even automatically block suspicious traffic to prevent data loss. To avoid detection, hackers use obfuscation techniques to disguise their actions. This can involve encrypting data or embedding it within harmless-looking traffic, making it difficult for IDS to identify and block the exfiltration attempts.

Reality vs. Hollywood

In Hollywood movies like "Mission Impossible," data theft is often depicted as a physical heist involving stealth and daring. In reality, hackers prefer remote methods to avoid detection and the risk of getting caught. By exploiting vulnerabilities in web servers, hackers can gain access to a network and search for valuable data. Once they find it, the challenge becomes how to exfiltrate it without triggering security systems.

One common way hackers hide their tracks is through obfuscation. A well-known method of obfuscation is image steganography, where data is embedded within images. This technique allows small amounts of data, such as passwords, to be hidden within images without raising suspicion. However, it is impractical for large datasets due to its low bandwidth and the potential for triggering alarms when numerous images are sent out.

Innovative DNS Data Exfiltration

The Domain Name System (DNS) is essential for internet functionality, translating domain names into IP addresses. Hackers can exploit this by sending data disguised as DNS queries. Typically, corporate firewalls scrutinise unfamiliar DNS requests and block those from untrusted sources. However, a novel method known as "Data Bouncing" has emerged, bypassing these restrictions and making data exfiltration easier for hackers.

How Data Bouncing Works

Data Bouncing leverages trusted web hosts to facilitate DNS resolution. Here’s how it works: hackers send an HTTP request to a reputable domain, like "bbc.co.uk," with a forged "Host" header containing the attacker’s domain. Akami Ghost HTTP servers, configured to resolve such domains, process the request, unknowingly aiding the exfiltration.

Every HTTP request a browser makes to a web server includes some metadata in the request’s headers. One of these header fields is the "Host" field, which specifies the requested domain. Normally, if you request a domain that the IP address doesn’t host, you get an error. However, Akami Ghost HTTP servers are set up to send a DNS request to resolve the domain you’ve asked for, even if it’s outside their network. This means you can send a request to a trusted domain, like "bbc.co.uk," with a "Host" header for "encryptedfilechunk.attackerdomain.com," and the trusted domain carries out the DNS resolution for you.

To prevent data exfiltration, companies need a comprehensive security strategy that includes multiple layers of defence. This makes it harder for hackers to succeed and gives security teams more time to detect and stop them. While preventing intrusions is crucial, detecting and mitigating ongoing exfiltration attempts is equally important to protect valuable data.

As cyber threats take new shapes, so must our defences. Understanding sophisticated exfiltration techniques like Data Bouncing is essential in the fight against cybercrime. By staying informed and vigilant, companies can better protect their data from falling into the wrong hands.





New Golang-Based Botnet 'Zergeca' Discovered


 

Researchers at QiAnXin XLab have found a new and dangerous botnet called Zergeca. This botnet, written in the Go programming language (Golang), can launch powerful distributed denial-of-service (DDoS) attacks, which can overwhelm and shut down targeted websites or services.

How Zergeca Was Discovered

In May 2024, researchers came across a suspicious file uploaded from Russia to a security website called VirusTotal. This file, located at /usr/bin/geomi, had a unique identifier but wasn't marked as harmful. Another similar file was uploaded from Germany on the same day. This led experts to discover that these files were part of a new botnet, which they named Zergeca, inspired by a string in its code that reminded them of the Zerg creatures from the video game StarCraft.

Zergeca is capable of six different types of DDoS attacks. It also has additional features, such as acting as a proxy, scanning networks, upgrading itself, staying persistent on infected devices, transferring files, providing remote access, and collecting sensitive information from compromised devices. One unique aspect of Zergeca is its use of multiple DNS resolution methods, preferring DNS over HTTPS (DoH) for communicating with its command and control (C2) server. It also uses an uncommon library called Smux for encrypted communication.

The C2 server used by Zergeca has been linked to at least two other botnets named Mirai since September 2023. This suggests that the creator of Zergeca has prior experience with running botnets.

Between early and mid-June 2024, Zergeca was used to carry out DDoS attacks on organisations in Canada, the United States, and Germany. The primary attack method used was known as ackFlood. Victims of these attacks were spread across multiple countries and different internet networks.

Zergeca operates through four main modules: persistence, proxy, silivaccine, and zombie. The persistence module ensures the botnet stays active on infected devices, while the proxy module manages proxying tasks. The silivaccine module removes any competing malware, ensuring that Zergeca has full control of the device. The zombie module is the most critical, as it carries out the botnet's main functions, including DDoS attacks, scanning, and reporting information back to the C2 server.

To stay active, Zergeca adds a system service called geomi.service on infected devices. This service ensures that the botnet process restarts automatically if the device reboots or the process is stopped.

Researchers have gained insights into the skills of Zergeca’s creator. The use of techniques like modified file packing, XOR encryption, and DoH for C2 communication shows a deep understanding of how to evade detection. The implementation of the Smux protocol demonstrates advanced development skills. Given these abilities, researchers expect to see more sophisticated threats from this author in the future.

The discovery of Zergeca highlights the increasing intricacy of cyber threats. Organisations must remain vigilant and adopt strong security measures to protect against such advanced attacks. The detailed analysis of Zergeca provides valuable information on the capabilities and tactics of modern botnets, emphasising the need for continuous monitoring and proactive defence strategies in cybersecurity.


Signs Your Home Network Has Been Hacked and How to Protect Yourself

 

While many are aware of the risks associated with public Wi-Fi, fewer realize that home networks are also vulnerable to cyberattacks. Hackers can infiltrate home networks to access sensitive information like bank details, private conversations, and personal photos. Here are key indicators that your home network may be compromised and steps to enhance your security. 

One sign of a compromised network is a sudden drop in internet speed. If your connection slows down without any issues from your provider, it could mean hackers are using your bandwidth for malicious purposes. Another warning sign is the appearance of unfamiliar devices on your network. Hackers might connect their devices to your network to steal information. To check for this, log into your router and review the list of connected devices. Unrecognized entries should be investigated. Unexpected changes to your Wi-Fi password are also concerning. If you haven't changed it but find it different, someone might have hacked into your network to lock you out. 

Additionally, spotting unfamiliar software on your devices can indicate malware installation by hackers aiming to steal your data. Browser hijacking is another serious threat. If hackers gain access to your router, they can alter its DNS settings, redirecting your internet traffic to malicious sites that can steal information and install harmful software. If your browser frequently redirects to suspicious websites, your network might be compromised. Understanding how hackers operate can also help in recognizing threats. 

For example, they may pose as buyers in online transactions, sending phishing links to steal bank details from sellers. To protect your home network, ensure your router’s firmware is up to date and use strong, unique passwords for your Wi-Fi and devices. Enable network encryption, such as WPA3, and disable remote management features that can provide easy access to hackers. Using a virtual private network (VPN) can further secure your internet traffic and protect your online activities. 

Securing your home network requires vigilance and proactive measures. By staying aware of potential warning signs and implementing strong security practices, you can protect your personal information and maintain your digital privacy. Continuous learning and adaptation to new cyber threats are essential for keeping your network safe.

Block Ads and Boost Security with AdGuard DNS

 



Advertisements are omnipresent, disrupting our web browsing and compromising our online security. Many ads slow down our internet speed, infringe on our privacy, and even pose malware risks. However, there is a solution that can alleviate these issues: AdGuard DNS.

AdGuard DNS offers a comprehensive way to block malicious websites, intrusive ads, and trackers while also enabling parental controls. This service stands out by allowing up to 20 devices to connect across more than 50 servers in 15 locations. Now, a five-year subscription is available for $24.97, down from the regular price of $719.64, but only until May 22.

Default DNS (Domain Name System) services translate website names into IP addresses, guiding your browser to the correct site. AdGuard DNS takes this further by filtering out unsafe sites before you even visit them. This added layer of protection can demonstrably enhance your digital security.


Benefits of Blocking Ads

Blocking ads with a DNS service like AdGuard can make web pages load faster. This is because ads often consume substantial bandwidth and processing power, particularly those that are interactive or video-based. By reducing the data your browser needs to load, AdGuard DNS can dramatically improve your browsing experience.

Unlike browser-based ad-blockers, AdGuard DNS provides network-wide protection. This means it blocks ads and trackers not only in your web browser but also across your entire operating system, installed programs, and mobile apps. This system-level blocking is far more effective than relying solely on browser extensions, which can't intercept ads and trackers operating outside the browser.

AdGuard DNS also enhances your privacy and security. Ads are not just annoying; they can be dangerous, containing trackers, malware, and phishing links. For example, in April 2021, hackers used malicious ads to distribute infected software via fake sites, leading to data theft for many users. By blocking such ads, AdGuard DNS protects you from these threats before they reach your device.

For those seeking even more robust protection, AdGuard DNS offers advanced features like AI-powered malware filtering. This level of protection ensures that even the most sophisticated cyber threats are kept at bay, providing peace of mind in an increasingly vulnerable digital environment. 

In conclusion, AdGuard DNS provides a powerful, comprehensive solution for blocking ads, strengthening privacy, and securing your digital experience. With its current discounted offer, it's an excellent opportunity to protect your online world effectively and affordably.


Hackers Tracking Victims with DNS Tricks


 


Cybercriminals have adopted a highly intricate technique known as DNS tunnelling to carry out malicious activities such as tracking victims and scanning network vulnerabilities, posing a significant threat to cybersecurity. DNS tunnelling involves the encoding of data or commands within DNS queries, effectively transforming DNS into a covert communication channel, which can be challenging for traditional security measures to detect.

Hackers leverage various encoding methods, such as Base16 or Base64, to conceal their digital footprints within DNS records, including TXT, MX, CNAME, and Address records. This covert communication method allows them to bypass network firewalls and filters, using it for command and control operations and VPN activities, thereby upgrading their ability to evade detection by security tools.

The Palo Alto Networks' Unit 42 security research team has recently exposed two distinct campaigns that exploit DNS tunnelling for malicious purposes. The first campaign, dubbed "TrkCdn," focuses on tracking victim interactions with phishing emails, enabling attackers to evaluate their strategies and confirm the delivery of malicious payloads. Additionally, a similar campaign named "SpamTracker" utilises DNS tunnelling to track the delivery of spam messages, highlighting the versatility of this technique in cybercriminal operations.

Furthermore, the second campaign, identified as "SecShow," employs DNS tunnelling for network scanning purposes. Attackers embed IP addresses and timestamps into DNS queries to map out network layouts and identify potential configuration flaws that can be exploited for infiltration, data theft, or denial-of-service attacks. This demonstrates the advancing tactics of cybercriminals in exploiting DNS tunnelling for a wide range of fraudulent activities. 

DNS tunnelling provides threat actors with several advantages, including bypassing security tools, avoiding detection, and maintaining operational flexibility, making it a preferred method for carrying out cyber-attacks. To alleviate this growing threat, organisations are advised to implement DNS monitoring and analysis tools to detect unusual traffic patterns and peculiarities promptly. Additionally, limiting DNS resolvers to handle only necessary queries can reduce the risk of DNS tunnelling misuse, enhancing overall cybersecurity defences.

The discovery of hackers exploiting DNS tunnelling focuses on the importance of staying careful against the pervasive nature of cyber threats and implementing robust cybersecurity measures to protect against potential attacks. By understanding the risks posed by DNS tunnelling and taking the required steps to mitigate them, organisations can effectively safeguard their networks and data.