Last Change of the Microsoft Entra SSO Account Password

high

Description

Every Active Directory that uses the Seamless SSO feature of Microsoft Entra ID includes a special computer account, AZUREADSSOACC. This account holds the master secret used to authenticate users from the local domain to Microsoft Entra ID, and it is essential that you must protect it at all costs.

Solution

Changing the AZUREADSSOACC account key is a special operation that requires the use of a Microsoft script.

See Also

Quickstart: Microsoft Entra seamless single sign-on

How can I roll over the Kerberos decryption key of the AZUREADSSO computer account?

Microsoft Entra seamless single sign-on: Technical deep dive

Indicator Details

Name: Last Change of the Microsoft Entra SSO Account Password

Codename: C-AAD-SSO-PASSWORD

Severity: High

Type: Active Directory Indicator of Exposure

Family: Authentication and Credentials

MITRE ATT&CK Information: