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 ...

Is your computer suddenly slow, crashing, or showing pop-ups? Learn the 7 telltale signs of a virus infection and follow our ...

Add Yahoo as a preferred source to see more of our stories on Google. Ever hear the phrase “spread like a virus”? We quite literally witnessed it the past few years. Like biological viruses, computer ...

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, ...

Hands up if you’ve ever had a PC virus? Yup, thought so. It’s a ubiquitous and persistent problem that’s dogged Microsoft and its users for decades. Now Microsoft’s published a security report that ...

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 ...

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 serious computer virus that has infected millions worldwide has taken a stab at the UA, but security officials are working to combat the virus and educate the university community on how to protect ...

The user took to online forums to brag about their download, only for it to slow down their PC.

For the most part, if you see a browser based alert, then you can simply close the browser and start it again. On the other hand, if you are continuously seeing alerts like "Your Computer May Have a ...

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 ...

Some of the products written about here are offered in affiliation with AOL. We may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Ever ...