2026 Critical Cloud Identity Detection: Primary Refresh Token Reuse Across Anoma
This rule identifies potential account compromise through the detection of non-interactive Azure AD sign-ins originating from geographically distant locations within a short, travel-implausible timeframe. Such activity is highly indicative of the theft and export of a Primary Refresh Token (PRT) from a legitimate endpoint, which is subsequently replayed by an adversary from external infrastructure to gain unauthorized access to cloud resources.
Microsoft Sentinel (KQL)
