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Five Different Passive Attacks that are Simple to Miss

The aim of passive attacks is to observe your behaviour, occasionally take your personal information, but never change your data.

 

The most lethal strikes can occasionally be subtle attempts to subdue you all at once. Ironically, the most damaging assaults are those that wait patiently in the shadows until it is too late for you to take any action. The aim of passive attacks is to observe your behavior, and occasionally take your personal information, but never change your data. 

Define passive attack 

A network assault known as a passive attack involves monitoring and occasionally scanning a system for open ports and vulnerabilities. A passive attack doesn't directly harm the target; instead, its goal is to learn more about the system that is the target. 

Both active and passive reconnaissance are considered passive attacks. The term "reconnaissance" is derived from the military and describes the process of entering enemy territory to gather intelligence. Reconnaissance is the process of examining a system or network to acquire information before to launching a complete attack in the context of computer security. 

The following characteristics distinguish these two types of attacks: 

Active reconnaissance - The hacker interacts with the target system to learn about its weaknesses. To find out which ports are open and what services are operating on them, attackers frequently utilize techniques like port scanning. 

Passive reconnaissance - Without interacting, the intrusive party scans the system for vulnerabilities with the sole intent of learning more. The attacker frequently keeps tabs on a user's web session before using the data they gather to launch a subsequent attack. 

Passive assault forms

There are several types of passive attacks, including the following: 

Traffic analysis - In order to do this, network traffic going to and coming from the target systems must be examined. The patterns of communication transferred over the network are analyzed and deciphered by these assaults using statistical techniques. These attacks can be carried out on network traffic that is encrypted, but unencrypted traffic is more frequently the target of them. 

Eavesdropping - When an attacker listens in on phone conversations or reads unencrypted messages sent via a communication means, it is called eavesdropping. Snooping is comparable to eavesdropping, however, it can only access data while it is being transmitted. 

Wardriving - Wardriving is the practice of cruising around looking for unsecured wireless local area networks (WLANs) to access WiFi or personal data. Another name for it is access point mapping. WLAN-using businesses can avoid intrusions by implementing wired equivalent privacy (WEP) protocols or purchasing a reliable firewall. 

Dumpster diving - Dumpster diving is the practice of searching through trashed documents or deleted files on a person's or an organization's system in the hopes of discovering private data, such as passwords or log-in credentials. 

Packet sniffing - Here, the attacker sets up hardware or software to keep an eye on all data packets traveling over a network. Without interfering with the exchange process, the attacker keeps an eye on data traffic. 

How to defend yourself from passive assaults 

We now have a number of choices thanks to advancements in cybersecurity that will help prevent passive attacks. Here are a few tried-and-true defenses against passive assaults: 

Utilize an intrusion prevention system (IPS): IPS works by spotting and preventing unwanted port scans before they are fully completed and can inform intruders of all of your ports' vulnerabilities. 

Use encryption to protect sensitive data: Symmetric or asymmetric encryption can make it much more difficult for anyone attempting to access your data from the outside. To keep outsiders and intruders out of your data, encryption functions as a locked gate. 

Invest in a strong firewall: Firewalls monitor and regulate network traffic, preventing unauthorized users from using the network's resources. 

Keep private any critical information as much as you can: Do not enter your log-in information over a public network or share sensitive information online.
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