Discover the types of malware in 2025, from backdoors to ransomware, and learn which families hackers use most in real-world attacks.

The human mind loves to categorize things, and malware is no exception. We here at CSO have done our part: our malware explainer breaks down malware based on how it spreads (self-propagating worms, ...

It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

A virus, worm, and Trojan are three types of malware that can be dangerous to devices and data. While a virus replicates itself through legitimate files, a worm exploits security vulnerabilities to ...

There’s lots of information (and misinformation) about the term “virus,” so let’s get it straight and define computer virus once and for all: a computer virus is a self-replicating, malicious program ...

BEIJING (Reuters) - Viruses infected nearly a million Chinese computers over last week's National Day holiday when many chose to stay home and surf the Internet rather than go out, state media said on ...