Defendnot tool exploits Windows features to disable Microsoft Defender without malware, highlighting a security flaw in antivirus registration and trust.

While Defendnot is considered a research project, the tool demonstrates how trusted system features can be manipulated to turn off security features. Microsoft Defender is currently detecting and ...

Microsoft Defender SmartScreen is a Windows security tool that helps protect your PC from online threats such as malware downloads and installation, phishing attempts, and malicious websites.

In a proof-of-concept, a security researcher known as “es3n1n” demonstrated how the Windows Security Center (WSC) API can block scans by Microsoft’s built-in antivirus tool.