Tag: oauth client id spoofing
2 articles

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.

Cyber-attackers Exploit OAuth Client ID Spoofing in Cloud Environments
Cyber-attackers are increasingly using OAuth Client ID spoofing to infiltrate cloud environments, with multiple campaigns emerging, each with unique tools and infrastructure. This technique allows attackers to cleverly abuse Microsoft Entra ID by mimicking legitimate authentication requests.