win:security 4699
A scheduled task was deleted.
- Log source
- Windows Security event log
- Host type
- Windows (workstation, member server, domain controller)
- How to enable
- Advanced Audit Policy: Object Access > Audit Other Object Access Events
- Audit category
- Object Access
- Audit subcategory
- Audit Other Object Access Events
- Tier, host type
- Recommended
- Techniques
- 0
- Rules depending on it
- Splunk 1, Sigma 3, Microsoft Sentinel 1
Why this tier
DISA STIG (server); DISA STIG (workstation); Microsoft audit baseline (dc); Microsoft audit baseline (server); Microsoft audit baseline (workstation)
By role
| Role | Tier | Basis |
|---|---|---|
| Windows workstation | Recommended | DISA STIG (workstation); Microsoft audit baseline (workstation) |
| Windows member server | Recommended | DISA STIG (server); Microsoft audit baseline (server) |
| Windows domain controller | Recommended | DISA STIG (server); Microsoft audit baseline (dc); Microsoft audit baseline (server) |
| Windows web server (IIS), internet-facing | Recommended | DISA STIG (server); Microsoft audit baseline (server) |
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
Splunk 1
Sigma 3
- Important Scheduled Task Deleted/Disabled by Nasreddine Bencherchali (Nextron Systems)
- Scheduled Task Deletion by David Strassegger, Tim Shelton
- Scheduled Tasks Names Used By SVR For GraphicalProton Backdoor by CISA
Microsoft Sentinel 1
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 11 V2R11 (2026-10-05) | Names this event | WN11-AU-000083 (workstation): Audit Other Object Access Events Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 11 V2R11 (2026-10-05) | Names this event | WN11-AU-000084 (workstation): Audit Other Object Access Events Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2022 V2R11 | Names this event | WN22-AU-000220 (server): Audit Other Object Access Events Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2022 V2R11 | Names this event | WN22-AU-000230 (server): Audit Other Object Access Events Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 10 V3R6 (2026-01-23) | Names this event | WN10-AU-000083 (workstation): Audit Other Object Access Events Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows 10 V3R6 (2026-01-23) | Names this event | WN10-AU-000084 (workstation): Audit Other Object Access Events Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2019 V3R9 (2026-07-10) | Names this event | WN19-AU-000220 (server): Audit Other Object Access Events Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2019 V3R9 (2026-07-10) | Names this event | WN19-AU-000230 (server): Audit Other Object Access Events Failure |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2025 V1R1 (2026-02-27) | Names this event | WN25-AU-000220 (server): Audit Other Object Access Events Success |
| DISA STIG: Advanced audit policy requirementsMicrosoft Windows Server 2025 V1R1 (2026-02-27) | Names this event | WN25-AU-000230 (server): Audit Other Object Access Events Failure |
| Microsoft: Events to monitor with potential criticalityAppendix L: Events to Monitor (Windows Server AD DS best practices) | Names this event | potential criticality Low: A scheduled task was deleted. |