A security researcher built a program that the OS sees as an antivirus Since two AV programs can't run at the same time, Windows Defender turns itself off Previous iteration was taken down for ...

Cybercriminals abuse trusted Intel driver to gain kernel access and shut down Windows Defender, enabling undetected malware deployment since July 2025.

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. The trick utilizes an undocumented Windows ...