Keep your computer and other devices safe from viruses and other harmful software with these top-rated antivirus programs.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

From premium companies like Bitdefender and Malwarebytes to budget tools like AVG, I’ve tested the most popular antivirus ...

5 Antivirus Programs That Actually Hold Up in 2026 Best Antivirus Software That Won’t Slow Down Your Computer Discover the best antivirus programs for computers that keep you protected without slowing ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Overview: Lightweight antivirus software improves protection without reducing speed on older Windows computers ...

Russian criminals, for example, have become adept at scamming Australians out of money via fake log-in requests to bank ...

From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.

Companies that are following recommended practices relating to secure e-mail use should be largely protected against the Mydoom virus and its variants, experts said. Despite the speed with which the e ...

Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested ...

Despite what you may have heard, your Apple computer isn't immune to malware. We've tested the top programs to identify the ...