Computer viruses are a growing threat on the Internet. They cost organizations hundreds of millions of dollars every year. In 2007, there are thousands of viruses that can affect— even cripple—your ...

Add Yahoo as a preferred source to see more of our stories on Google. Malware is an attack that attempts to take control of a computer and steal sensitive information, such as passwords or bank ...

The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...

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 ...

A new computer virus has started spreading worldwide, but antivirus experts predict that the program won't become an epidemic. Dubbed W32/Sobig, the mass-mailing worm has claimed the No. 2 slot on ...

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, ...

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 ...

I have been teaching information-security courses for over 15 years (“How to Write a Computer Virus, for College Credit,” January 16). Graduates of our program are considered to be among the top in ...

Internet security experts are divided on the source and purpose of computer viruses and worms like Blaster and SoBig. But some government agencies are investigating a possible connection between the ...

And then came Brain. Discovered in the first weeks of 1986, it was the first PC virus to widely circulate in the wild. Distributed via 5.25-inch floppy diskettes, Brain's spread was extremely slow by ...