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Semperis Warns of Flaw in Windows Server 2025 Delegated Managed Service AccountsA critical cryptographic flaw in Windows Server 2025's delegated Managed Service Accounts, or dMSAs, allows attackers to generate passwords for every managed service account across an Active Directory forest and create a backdoor, Semperis researchers found.

More from Bank Info Security 18 Jul 2025, 10:00 a.m. Active Directory Backdoor Credentials Flaw Microsoft Passwords Research Theft Warning