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.

BOSTON, May 20, 2025 (GLOBE NEWSWIRE) -- With the average person seeing 14 scam messages per day and dedicating over 90 hours each year to identifying threats*, the importance of strong digital ...

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 ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

We've tested and reviewed both free and paid-for antivirus software. We bombarded each one with tens of thousands of threats to see how well it can cope against viruses, ransomware and phishing ...