Tailscale: Device key expiring within 7 days

Identifies tailnet devices whose machine key expires within the next 7 days and where key expiry is not disabled. Surface proactively so renewal can be scheduled rather than forced during an outage.

Detection logic

Detection requirements

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

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Detection rules

Tailscale: Device key expiring within 7 days

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules