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ntlmv1

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PowerShell script to audit NTLM authentication events from Windows Security and NTLM Operational logs. Filters by NTLMv1/v2, failed logons, privileged sessions (4672), date ranges, and null sessions. Validates NTLM audit GPO settings. Targets localhost, remote servers, domain controllers, or an entire AD forest.

  • Updated Apr 14, 2026
  • PowerShell

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