Windows Defender is a high-performing antivirus program that outperforms industry standards. AV-Test's Windows antivirus list reports Windows Defender's strong performance in protection.

Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to ...

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In the years since that fateful meeting, I’ve become PCMag’s expert on security, privacy, and identity protection, putting antivirus tools, security suites, and all kinds of security software ...

Antivirus apps for your PC protect your personal information, data, bank accounts, and much more. We've tested more than two dozen utilities to help you choose the best antivirus for your needs ...

Modern antivirus software often restrict which apps can change files in folders commonly targeted by ransomware. Microsoft Defender, which is built into Windows, can do this too. (Microsoft ...

The Windows Defender Antivirus Network Inspection Service helps guard against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols. Although Windows ...

At times, you may not always be able to turn on or off Real-time protection in Windows Defender on Windows 11. There could be many reasons for this error, so we have consolidated some of the ...

Microsoft has confirmed a critical vulnerability in Windows Defender that could leak file content data but advised users to do nothing—here’s why.