Event ID 5120 – OCSP Responder Service Started
|Category||Object Access: Certification Services|
Event 5120 is logged when the OCSP Responder Service is started. The Online Certificate Status Protocol (OCSP) is a protocol that is used to get the revocation status of a digital certificate.
Why does event ID 5120 need to be monitored?
- To detect anomalous and malicious activities
- To prevent privilege abuse
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Event 5120 applies to the following operating systems:
- Windows 2008 R2 and 7
- Windows 2012 R2 and 8.1
- Windows 2016 and 10