#Zero Trust
2 posts
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Sep 18, 2026
When Conditional Access Blocks a Sign-In From an IPv6 Address That Doesn't Exist
Entra sign-in logs showing fd00:: addresses and AADSTS53003? Learn why IPv6 ULAs break Conditional Access named locations, and how to triage and fix it.
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Jul 21, 2026
Serverless Conditional Access Change Email Alerts with Microsoft Graph
Build a serverless email alert that fires whenever a Microsoft Entra Conditional Access policy changes — showing who did it and a field-level diff. Full runbook included.