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 ...

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

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

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

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 ...

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

Thanks to the advent of AI, cyber threats are evolving rapidly and some even have the ability to adjust their code on the fly to penetrate a system. While all of this sounds dystopian and scary, the ...

Microsoft Defender isn't enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free ...

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

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, what features to ...