If you see Event ID: 7043, The Windows Security Service did not shut down properly after receiving a preshutdown control in Windows 11/10, see this post.

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

Designing a security-focused Windows Service? Learn more from ThreatLocker about the core components for real-time monitoring, threat detection, and system hardening to defend against malware and ...

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed.