4658 Security log · Object Access info severity very-high volume

Windows Event ID 4658 — The handle to an object was closed

Handle to an audited object was closed. Complements 4656.

Why event 4658 matters

Used with 4656 to determine access duration.

How to detect it

No standalone alerting. Use with 4656 pairs.

Log source
Security
Advanced Audit Policy — enable the 'Object Access' subcategory (Success and/or Failure).
Fields to pivot on
SubjectUserNameTargetUserNameLogonTypeIpAddressWorkstationName

Detection queries

Starting points — adapt the log source, projected fields and thresholds for your environment.

Sentinel / Defender KQL
SecurityEvent
| where EventID == 4658   // The handle to an object was closed
| project TimeGenerated, Computer, SubjectUserName, TargetUserName, LogonType, IpAddress, WorkstationName
| sort by TimeGenerated desc
Splunk SPL
index=* sourcetype="WinEventLog:Security" EventCode=4658
| stats count earliest(_time) as first_seen latest(_time) as last_seen by ComputerName
| sort - count   `# The handle to an object was closed — add EventData fields: SubjectUserName, TargetUserName, LogonType, IpAddress`
Hunt event 4658 in Sentinel/Defender →
Build a KQL query for this event in the KQL Query Builder.
Search all event IDs →
Open the interactive Windows Event ID lookup.

Related Object Access events

4656 A handle to an object was requested 4657 A registry value was modified 4660 An object was deleted 4663 An attempt was made to access an object 4665 An attempt was made to create an application client context 4670 Permissions on an object were changed 4690 An attempt was made to duplicate a handle to an object 4985 The state of a transaction has changed 5140 A network share object was accessed 5142 A network share object was added 5143 A network share object was modified 5144 A network share object was deleted

Frequently asked questions

What is Windows Event ID 4658?

The handle to an object was closed. Handle to an audited object was closed. Complements 4656.

Which log records event 4658?

Event 4658 is written to the Security channel by Microsoft-Windows-Security-Auditing. Advanced Audit Policy — enable the 'Object Access' subcategory (Success and/or Failure).

How do you detect activity around event 4658?

No standalone alerting. Use with 4656 pairs.