GitHub user blocked from accessing organization repositories

github-telemetry

Classification:

attack

Tactic:

TA0001-initial-access

Technique:

T1078-valid-accounts

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Goal

Detect when a GitHub user has been blocked from accessing organization repositories.

Strategy

This rule monitors GitHub audit logs for when a GitHub user has been blocked from accessing organization repositories. Organization owners and moderators can block anyone who is not a member of the organization from collaborating on the organization’s repositories.

Triage and response

  1. Determine if the change taken by {{@github.actor}} is authorized.
  2. If the change was not authorized or was unexpected, begin your organization’s incident response process and investigate.