Tailscale Premium: DERP relay traffic surge

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Identifies when a source node has more than 75 percent of its recent flows falling back to a DERP relay (Tailscale IsRelayed flag, traffic via 127.3.3.40). Operational signal useful for spotting policy drift.

Attribute	Value
Type	Analytic Rule
Solution	Tailscale (CCF)
ID	0a1c8d12-e7d3-4890-8b89-8d6dbc1be2f0
Severity	Low
Status	Available
Kind	Scheduled
Tactics	CommandAndControl
Techniques	T1572
Required Connectors	TailscalePremiumCCF
Source	View on GitHub

Tables Used

This content item queries data from the following tables:

Table	Transformations	Ingestion API	Lake-Only
Tailscale_Network_CL	?	✓	?

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