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5065 A cryptographic context modification was attempted

Written when a modification of a cryptographic context is attempted. It is one of a family of events capturing CNG configuration changes.

Overview

The subcategory is Audit Other Policy Change Events. It is generated when a modification of a CNG cryptographic context is attempted. Whereas 5064 is the operation version, this indicates a modification.

How it is triggered

  • A settings change to a cryptographic context.

Security review points

  • It is a configuration-change event with low individual security value. Confirm, together with other crypto-configuration events (5063/5064/5066-5070), whether an unexpected change is tampering with the crypto configuration.

Notes for log review

  • Monitor crypto-configuration events as a group and note unfamiliar changes.

Key fields

FieldMeaning
OperationThe modification type
Subject / Process NameThe origin

References