Tag: azure active directory

OAuth Client ID Spoofing Enables Credential Validation in Microsoft Entra ID Attacks

Researchers have uncovered a sneaky way attackers exploit a blind spot in Microsoft Entra ID's cloud sign-in telemetry, using OAuth Client ID spoofing to validate stolen credentials without triggering a successful sign-in event. By submitting fake client IDs, hackers can cleverly probe accounts and verify login details.