Archives - Antivirus Definition


What is Rootkit?

A collection of software tools that enable an unauthorized user to gain remote access to a computer system without being detected. A type of malware that opens a perpetual “back door” into a computer system. Once installed, a rootkit will allow additional viruses to infect a computer as various hackers find and compromise the vulnerable […]

What is “Do Not Track”?

Do Not Track is a setting in most internet browsers that allows you to express your preference not to be tracked across the web. Turning on Do Not Track through your web browser sends a signal to every website you visit that you don’t want to be tracked from site to site. Companies then know […]

What is Spyware or Adware?

Spyware, also known as “adware,” is defined as a dangerous type of malware that quietly gathers a user’s sensitive information, including their browsing and computing habits, and reports it to unauthorized third parties. Your compromised information can then become a target for financial crimes, identity theft and more. To prevent and protect against spyware, security […]

What is a computer virus?

A program that spreads by first infecting files or the system areas of a computer or network router’s hard drive and then making copies of itself. Some viruses are harmless, others may damage data files, and some may destroy files entirely. Protect yourself and your devices with up-to-date antivirus software.

How ransomware works

Ransomware identifies the drives on an infected system and begins to encrypt the files within each drive. Ransomware generally adds an extension to the encrypted files, such as .aaa, .micro, .encrypted, .ttt, .xyz, .zzz, .locky, .crypt, .cryptolocker, .vault, or .petya, to show that the files have been encrypted—the file extension used is unique to the […]

What is social engineering?

Cybercriminals perform social engineering techniques such as phishing, baiting and spear phishing to manipulate their targets into disclosing personal information. Social engineering relies on human interaction to get access to the confidential information they need to commit cybercrimes. An attacker may seem unassuming and respectable, possibly claiming to be a new employee, repair person, or […]