Tailscale: Users with zero devices

Identifies tailnet users who have no devices currently registered. Orphaned identities are candidates for off-boarding - they retain whatever role/permissions they were granted.

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_users_cl

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Detection rules

Tailscale: Users with zero devices

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules