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.

Looking for a new antivirus? My tried and tested favorites will improve the security of your desktop PC, laptop, and mobile devices.

Webroot - Its streamlined technology, efficient scanning, and powerful threat intelligence make it a highly recommended solution for maintaining strong PC security. The Software Experts evaluation ...

Modern antivirus tools have made PC infections rare, but they can still occur. Most viruses are designed to go unnoticed, quietly working in the background. Some of the quickest and easiest ways to ...

That’s where Bitdefender tends to stand out. Once installed, it fades into the background. Browsers open normally, files download at the usual speed, and nothing feels particularly heavy. Many ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...