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.

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.

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

As malware, ransomware, phishing, and AI‑enabled scams continue to grow in frequency and sophistication worldwide, the demand for layered, intelligent Windows antivirus has never been more critical.

Now that Windows 10 has reached the end of support, it's increasingly appealing to cybercriminals. While upgrading is recommended, you don't have to switch immediately—here's how you can keep your ...

Microsoft Defender Antivirus vs McAfee: Which Is Better for Your PC Security? Your email has been sent Compare Microsoft Defender Antivirus and McAfee features to find the best antivirus for 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 ...

In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...

Antivirus software is an essential piece of protection on any Windows PC. On an internet where malware is only becoming more and more profitable for organized crime, you don’t want to be without a ...