GitHub Repository Pages Site Changed to Public

Title: GitHub Repository Pages Site Changed to Public
Status: experimental
Description:Detects when a GitHub Pages site of a repository is made public. This usually is part of a publishing process but could indicate or lead to potential unauthorized exposure of sensitive information or code.
References:
  -https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
  -https://www.sentinelone.com/blog/exploiting-repos-6-ways-threat-actors-abuse-github-other-devops-platforms
  -https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/security-log-events
Author: Ivan Saakov
Date: 2025-10-18
modified:None
Tags:

• -'attack.collection'
• -'attack.exfiltration'
• -'attack.t1567.001'

Logsource:

• product: github
• service: audit

Detection:
  selection:
    action: 'repo.pages_public'
  condition:selection
Falsepositives:
  -Legitimate publishing of repository pages by authorized users
Level: low