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.

Bitdefender has long been one of the most popular antivirus tools, protecting more than 500 million users around the globe. In recent years, Bitdefender launched additional security tools to protect ...

BitDefender Antivirus Pro 2011 does a good job at detecting malware and disinfecting PCs, but it had some difficulty in blocking brand-new malware. BitDefender’s ...

Bitdefender Antivirus Plus for Mac gets high marks in our own hands-on testing and from independent labs. You can set it, forget it, and have confidence that your Mac is protected. The most common ...

With excellent antivirus lab results and a feature collection that puts many full security suites to shame, Bitdefender Antivirus Plus is our top pick for protecting your PC. Grab an antivirus at ...

Bitdefender Antivirus for Mac offers a handy, customizable user interface and good features, but can still allow a fair amount of malware to slip through. Sometimes you can have just about everything ...

Bitdefender is one of our Editors’ Choice winners for antivirus, but McAfee has some strong points in its favor. Which one should you use? I've been testing both services for years and am here to ...

Bitdefender is known for strong, lightweight protection. This review examines how its free and paid plans perform in daily use, from Wi-Fi to work files.

Editorial Note: Forbes Advisor may earn a commission on sales made from partner links on this page, but that doesn't affect our editors' opinions or evaluations. Bitdefender offers everything from a ...

Microsoft is again pushing a Defender Antivirus update (first issued in April and pulled in May) that fixes a known issue triggering Windows Security warnings that Local Security Authority (LSA) ...

We’ve all loved to hate Microsoft’s free Windows Defender software—it’s been so mediocre that it’s been considered the baseline metric in third-party tests. But recent independent tests show it’s ...