A computer virus is a type of malware that can replicate itself on your computer and spread to other devices.

Malware includes viruses, worms, adware, spyware, and ransomware — they all work differently but tend to cause similar ...

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

You’ve heard the term, but what does it actually mean? Learn from our expert how these self-replicating programs sneak in, spread, and slow your system down, plus what you need to know to stay ahead.