A bad security intelligence update causes Microsoft Defender to crash during Full and Quick Scans on some PCs. Upgrading to Security Intelligence Update v1.457.236.0 resolves the issue.

If Windows 11 is sending alerts that you need to turn on virus protection and your PC is unprotected, don't worry.

Windows Defender is the default antivirus on Windows PCs, protecting them against threats such as malware, viruses, and more. While Windows Defender keeps track of all its actions to safeguard your PC ...

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 ...

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

Question: What does Trend Micro’s Internet Security do over Windows Defender? Answer: Cyber threats today aren’t just about viruses as phishing scams, ransomware attacks, and identity theft are all ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...