Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

SAN FRANCISCO (AP) - Stepping up its fight against computer threats at the risk of alienating security businesses, Microsoft Corp. announced Tuesday it will give away a program to combat ...

Antivirus and security suites should protect you against all types of malware, including spyware. These are our top tested choices for the best spyware protection. When the IBM PC was new, I served as ...

WASHINGTON -- Microsoft Corp., whose popular Windows software is a frequent target for Internet viruses, is offering a free security program to remove the most dangerous infections from computers. The ...

Malicious software can easily find its way onto your computer and stay there undetected. However, with the right tools, you can scan your system and remove spyware, adware, and other malicious ...

Like viruses and other harmful programs, spyware is a huge security problem. Worse than a typical virus, a spyware program can send corporate data directly from your company’s client computers to an ...

There are plenty of ways to goof off online— there’s no shortage of Santa screensavers, online reindeer games and other amusements, much of it free. But while you may not spend any money, you could ...

Spyware rarely announces itself with pop-ups or flashing warnings. It slips into everyday routines, quietly tracking what you type, where you click, and which accounts you open, often for months ...