Valimail Enforce - Email Authentication Key Deleted

This query searches for deletion of SPF delegations or DKIM keys, which are medium-severity events that could degrade email authentication posture for a domain.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: valimailenforce
Log source service: valimailenforceevents_cl

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Detection rules

Valimail Enforce - Email Authentication Key Deleted

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules