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HighMicrosoft Sentinel analytics

Certificate expiring after 2030 still uses classical signature

A TLS or Key Vault certificate has an expiry date after 2030-01-01 and is signed with a quantum-vulnerable classical algorithm. Long-lived certificates are the primary harvest-now- decrypt-later risk vector. Reissue…

Description

A TLS or Key Vault certificate has an expiry date after 2030-01-01 and is signed with a quantum-vulnerable classical algorithm. Long-lived certificates are the primary harvest-now- decrypt-later risk vector. Reissue with a PQ-hybrid signature or shorten validity window.

Detection logic

Detection requirements

Platform
IaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
qcryptonpqcscanner
Log source service
pqreadiness_cl

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