Tailscale Premium: Network flows outside business hours

Identifies network flows occurring outside 07:00-19:00 UTC on weekdays plus all weekend, over 7 days. Filters to virtual/subnet/exit traffic. Useful for spotting unattended automation gone wrong.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Network Devices Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: tailscalepremiumccf
Log source service: tailscale_network_cl

Detections can measure how the public catalogue is used — which detections people look for, and which pages bring them here. It sets a cookie that recognises this browser for 180 days. It is never linked to an account and never follows you to other sites. Privacy notice

Detection rules

Tailscale Premium: Network flows outside business hours

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules