AV-Comparatives has recognized Microsoft Defender for Endpoint for successfully thwarting all tampering attempts levied during the 2025 Anti-Tampering Test.
Updated May 15, 2025
Version 1.0Microsoft Defender for Endpoint disrupts ransomware with industry-leading endpoint security, providing comprehensive protection across all platforms and devices.
You forgot the simple test : install a third party AV and look at your defender disabling itself.