The modern internet constantly collects and analyzes information about users. Nearly every action online—browsing websites, clicking links, watching videos or making purchases—creates digital traces that are monitored, stored and often traded. As a result, maintaining privacy on the internet has become increasingly difficult.

Faced with this reality, many people attempt to shield themselves by using tools designed to protect their identity online. Virtual Private Networks (VPNs) have become one of the most popular solutions, often marketed as a way to achieve complete anonymity. However, experts emphasize that true anonymity on the internet is largely unrealistic.

Some VPN providers are transparent about what their services can and cannot do. However, several companies continue to promote exaggerated claims suggesting that their services can make users entirely anonymous online.

For instance, VPN provider CyberGhost states on its website that users can “go completely anonymous and surf the internet without privacy worries,” and promises they can “enjoy complete anonymity & protection online” through its service. Although the company acknowledges in an FAQ section that “no VPN service can make you 100% anonymous online,” the conflicting messaging can still mislead users.

Experts warn that believing VPNs provide absolute anonymity can be risky. Relying solely on a VPN may create a false sense of security, especially when sharing sensitive information or operating in regions with strict digital surveillance. Even journalists, activists or individuals communicating confidential information may remain exposed despite using a VPN.

Online surveillance has existed for decades. Governments have used digital tools to monitor citizens and foreign actors, while technology companies collect user data to support advertising and other business operations.

Public awareness of large-scale digital surveillance increased significantly after former NSA contractor and whistleblower Edward Snowden revealed classified surveillance programs in 2013. Later, the 2018 Cambridge Analytica scandal further highlighted how massive amounts of user data could be harvested and used without clear consent.

Major online platforms such as Google, Facebook, TikTok, Instagram, X, Amazon and Netflix collect extensive information about user activity when individuals are logged in. This includes search queries, clicked links, watched videos, purchased items, ads interacted with and shared content. These details help companies build detailed profiles of user interests and behaviors.

In addition, personal data such as names, email addresses, physical addresses, payment information and usernames can be tracked. Technical identifiers—including IP addresses, browser types, device models and operating systems—also provide valuable data points.

Internet service providers can monitor browsing activity, location data, application usage and metadata. Meanwhile, websites employ technologies such as cookies and device fingerprinting, while social media platforms use tracking pixels to follow users across the web.

The collected data is often sold to data brokers, who treat personal information as a valuable commodity.

Privacy regulations such as Europe’s General Data Protection Regulation (GDPR) and California’s Consumer Privacy Act (CCPA) give individuals greater control over how their information is handled. Still, experts note that these laws can only address part of the problem, as data collection practices remain deeply embedded within the digital economy.

A VPN can still play an important role in protecting online privacy. The technology encrypts internet traffic and routes it through a secure server located elsewhere. This process hides browsing activity from internet providers, network administrators and other potential observers.

It also replaces the user’s real IP address with the address of the VPN server, making it harder for websites to identify a user’s exact location or track them directly.

These features allow VPNs to help limit certain types of tracking, bypass geographic restrictions and evade network firewalls at workplaces or schools.

However, VPNs cannot eliminate all tracking mechanisms. Many services include basic protections such as ad or tracker blocking, but most cannot fully defend against browser fingerprinting. This technique gathers information like screen resolution, language preferences, browser type, extensions and operating system to uniquely identify users.

Even with a VPN active, online services such as Amazon, Google or Facebook can still recognize users when they log into their accounts. These platforms continue collecting data linked directly to the individual.

VPNs also cannot prevent users from downloading malicious files or entering personal information into phishing websites. While antivirus tools may help mitigate these risks, VPNs alone cannot.

Another important consideration is that using a VPN shifts visibility of internet activity from an internet service provider to the VPN provider itself. If the provider maintains strong privacy policies—such as audited no-logs practices and secure infrastructure—this risk is minimized. However, some VPN services, particularly free ones, have been criticized for misusing or mishandling user data.

Specialists emphasize that VPNs should be viewed as just one component of a broader cybersecurity strategy.

Tools like Tor, which uses “onion routing” to send traffic through multiple encrypted relays, can further obscure user activity. Operating systems such as Tails run independently from a computer’s main system and automatically erase data after each session.

Other privacy-enhancing technologies include ad-blocking browser extensions, encrypted messaging platforms like Signal, secure email services such as Proton Mail, and privacy-focused browsers designed to block trackers and resist fingerprinting.

Private search engines such as DuckDuckGo or Brave Search also help reduce data collection compared to mainstream search platforms.

Beyond software tools, experts recommend adopting safer online habits. Limiting social media use, creating temporary accounts with aliases, paying in cash or cryptocurrency when possible, and avoiding suspicious downloads can help reduce exposure.

Users are also encouraged to adjust device privacy settings, restrict application permissions, enable encryption, disable unnecessary tracking features and exercise caution when connecting to public Wi-Fi networks.

Regularly clearing browser cookies and cache can further limit tracking activity.

Ultimately, no single tool can guarantee anonymity on the internet. However, combining multiple privacy technologies with careful online behavior can significantly strengthen personal data protection.