The style and purpose of viruses runs the gamut. Following is a small sampling. See Sophos and virus. The fastest spreading virus in history appears to have been written by a resident of Manila in the ...

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, ...

Think twice before you click on that link—even if it was sent to you by a friend or family member. Simply put, a computer virus is a program that you did not install which often performs malicious ...

To a lot of people, a "virus" is often the first thing they think of when something goes wrong with their computer. The truth is, that these days a virus is almost never the culprit for your PC ...

Researchers have shown that a computer virus can use ChatGPT to rewrite its code to avoid detection, then write tailored emails that look like genuine replies, spreading itself in an email attachment.

Although nearly 63,000 viruses have rolled through the Internet, causing an estimated $65 billion in damage, criminal prosecutions have been few, penalties light and just a handful of people have gone ...

The study of computer virus propagation models is central to understanding and mitigating digital epidemics that disrupt modern network infrastructures. Researchers have adopted a range of techniques, ...

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

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 ...