(IDG) -- Virus: A self-replicating piece of computer code that can partially or fully attach itself to files or applications, and can cause your computer to do something you don't want it to do.

Use this guide to the most common computer virus symptoms to keep your PC healthy and malware-free.

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 ...

"My computer is acting up. It must be a virus." You've undoubtedly heard comments like this or even thought this yourself. In actuality, most computer glitches are caused by software conflicts or ...

Your computer has been acting strange lately — running slower than usual, showing weird pop-ups, or behaving in ways that make you suspicious something isn’t right. These could be signs that malware, ...

Some computer viruses wreck your computer from behind the scenes. You only know they're there because your computer starts acting weird or your files get wiped out. And sometimes you can tell you ...

Computer viruses first emerged in the 1980s. Since then, they have posed problems for computer users worldwide. Unfortunately, most are here to stay.

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.

Geoff Kuenning, a professor of computer science at Harvey Mudd College, provides this explanation. Malicious software comes in several flavors, distinguished primarily by their method of ...

While many people believe a 15-year old created the first computer virus in 1982, I'm not so quick to agree.

Twenty years after the first computer became “infected” with malignant code, computer viruses have hacked enterprises, stolen data, smuggled money, pilfered identities, and exploited our ...

Computer users don't need to feel helpless against the onslaught of viruses such as "NewLove," according to antivirus experts. Stephen Shankland worked at CNET from 1998 to 2024 and wrote about ...