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, ...

The antivirus company Sophos reported last week that it sighted 959 new viruses and worms on the Net in May. Some of them, like the Sasser worm that infected a million or so computers, connect to idle ...

A recent update to Windows Defender gave it the ability to download files through a command line tool. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...

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, ...

There’s no doubting the benefits of keeping your important files stored digitally on your computer, as opposed to papers scattered throughout the house. But that added convenience doesn’t necessarily ...

Get the latest federal technology news delivered to your inbox. If you downloaded and installed a copy of Avast’s CCleaner between August 15 and September 12, you could be in trouble. If you ...

"Game of Thrones" fans are being targeted by cybercriminals in a vicious campaign to hijack people's computers. Hackers are disguising viruses as illegal downloads ahead of the show's hotly ...

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 ...