On May 4, 2000, users of Windows computers began receiving an email with a malicious attachment. Within just ten days, some fifty million infections were reported, and it has been estimated that as ...

From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

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, ...

Computer security technologists are racing to find ways to block ever-more complex computer worms and viruses that burrow into computers -- usually via e-mail -- and wreak havoc on network systems.

Computer hackers could create malicious software that crosses the line from technology to biology, crafting viruses that could spread dangerous epidemics, researchers said at Black Hat Europe. “We are ...

Similarities between COVID-19 and ransomware. Differences between COVID-19 and ransomware. Why common terms can be bad for the discussion. Lately I’ve been talking with people about the COVID-19 ...