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M365 Show - Microsoft 365 Digital Workplace Daily

Microsoft Security Pulse: Protect, Detect, Defend

What Are the Certificate Requirements for Defender for Identity

Mirko Peters - Microsoft MVP's avatar
Mirko Peters - Microsoft MVP
Aug 13, 2025
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Defender for Identity uses self-signed certificates made during setup. Certificates keep communication safe and help watch your Active Directory. If you do not handle certificates well, attackers can use weak templates or settings. They might get more power than they should. You could have problems like people getting in without permission or gaining ex…

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