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SigmaWatch
ATT&CK technique

T1562.010

Downgrade Attack

Stealth deprecated 5 detections found
View on MITRE ATT&CK →

Detection rules

Source Rule Status Updated
splunk Windows AD Computer SPN Modified By User Account production 2026-09-25
splunk Windows AD SPN Unicode Collision Injection production 2026-09-25
elastic Potential HTTP Downgrade Attack production 2026-09-18
elastic Network-Level Authentication (NLA) Disabled production 2026-09-18
elastic Potential NetNTLMv1 Downgrade Attack production 2026-09-18