Windows Security Log Event ID 4930

4930: An Active Directory replica source naming context was modified

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Directory Service replication has little to no security relevance.  I recommend disabling these 2 subcategories: 

• Directory Service Replication
• Detailed Directory Service Replication

Since DCSync and DCShadow have come out I've changed my mind about the above statement.  Check out this webinar AD Attack Deep Dive: Gaining Persistence using DCSync and DCShadow with Mimikatz

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Upcoming Webinars Assessing the Security of Your Active Directory: User Accounts Anatomy of a Cloud Hack: The Cloudflare/Okta Compromise – A Story of Tokens, Lateral Movement, Persistence and the Salvation of Zero Trust and Hard MFA Tokens

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