Antivirus software offers digital protection and defends against malware. But it can't shield you from everything.

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself. Like other types of malware, a virus is deployed by attackers ...

The best free PC software programs aren’t about the cost (or lack thereof), they’re about a fresh opportunity—collections of code that put the dumb hardware in your computer to smart use, tools that ...