win:security 6273
Network Policy Server denied access to a user.
- Log source
- Windows Security event log
- Host type
- Windows (workstation, member server, domain controller)
- How to enable
- Advanced Audit Policy: Logon/Logoff > Audit Network Policy Server
- Audit category
- Logon/Logoff
- Audit subcategory
- Audit Network Policy Server
- Tier, host type
- Recommended
- Techniques
- 0
- Rules depending on it
- none
Why this tier
Microsoft Appendix L Medium; NSA
Techniques it helps detect
No ATT&CK analytic names this event. Its standing comes from the standards and rules below.
Rules that depend on it
No vendor rule names this event or source directly.
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| NSA: Recommended Windows events to forwardEvent Forwarding Guidance (RecommendedEvents.csv) | Names this event | Network Policy: Network Policy Server Denied Access |
| Microsoft: Events to monitor with potential criticalityAppendix L: Events to Monitor (Windows Server AD DS best practices) | Names this event | potential criticality Medium: Network Policy Server denied access to a user. |