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.

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 ...

Computers of any kind are at risk of receiving malware, and even though Windows 11 comes with Microsoft Defender Antivirus protection, it's not foolproof.

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 ...

Unlike your built-in laptop antivirus protection, modern antivirus software doesn’t just protect you from dodgy downloads—it can keep the kids from looking at web pages they shouldn’t or make sure ...

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': ...

SAVE 50% ON ANTIVIRUS SOFTWARE: Avast Mobile Security is offering half off its annual paid plans for your first year so you ...

Bitdefender is our overall pick for the best antivirus software for small businesses, while Norton offers 24/7 support, and ESET provides scalability. When it comes to antivirus software, small ...

A malware threat is not something you’d like to encounter in your computer system. Its menace can be very damaging to your company’s network and infrastructure. The best malware removal software ...

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 ...