Most Critical ShinyHunters 2026: Unauthorized Customer-Facing Web Portal Defacement
Detects unauthorized configuration or content changes (e.g., login or portal pages) performed outside of standard business hours by user accounts that have recently exhibited high-risk or compromised authentication behavior. This pattern aligns with tactics observed in the ShinyHunters playbook where compromised accounts are used to deface public-facing applications.
Microsoft Sentinel (KQL)

