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Security Fundamentals & Crypto · Intermediate

Certificate Lifecycle Management (CLM)

Processes and tools to discover, issue, deploy, renew, and revoke certificates across an organization.

Definition

CLM provides an inventory of all certificates and keys, ownership tracking, expiration alerts, and automated renewal. It prevents outages from expired certificates and reduces risk from rogue or weak certificates. CLM is also a foundation for crypto-agility and post-quantum migration.

Example

A CLM platform scans the network, finds 3,000 certificates, and automatically renews those expiring within 30 days.

Exam tip

Most certificate outages come from expiration; CLM and automation are the fix.

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