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Microsoft Entra ID and Entra Connect mitigation for Storm-0501

Advisory/Mitigation
First reported
Last updated
Happening score
H score 19
1 unique sources, 1 articles

Summary

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Microsoft issued Entra ID and Entra Connect 2.5.3.0 mitigations to reduce Storm-0501's credential extraction and privilege-escalation path in hybrid cloud tenants. The changes block abuse of Directory Synchronization Accounts and add Modern Authentication support for application-based authentication. Microsoft also directed customers to enable TPM on the Entra Connect Sync server to protect sensitive credentials and cryptographic keys. These steps harden organizations using Entra Connect against the attack chain Storm-0501 used to move from on-premises access into cloud identities.

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Timeline

  1. 27.08.2025 22:04 1 articles · 9mo ago

    Microsoft issues Entra ID and Entra Connect mitigations for Storm-0501

    Mitigation Patch Update

    Microsoft changed Microsoft Entra ID to prevent abuse of Directory Synchronization Accounts for privilege escalation, released Microsoft Entra Connect version 2.5.3.0 with Modern Authentication support for application-based authentication, and advised enabling TPM on the Entra Connect Sync server to protect sensitive credentials and cryptographic keys against Storm-0501 credential extraction techniques.

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