Gartner® Report: Buyers’ Guide for PKI and Certificate Life Cycle Management

Public Key Infrastructure (PKI) is widely used across organizations, yet deployments are often challenged by trust management complexities, operational overhead, and security incidents. To ensure reliability and resilience, security and risk management leaders must adopt effective certificate lifecycle management practices. Doing so helps prevent outages, accommodates short certificate lifetimes, and prepares organizations for emerging threats such as quantum computing.

This reports highlights the following key findings:

• Organizations are rethinking PKI and CLM to prevent outages, reduce costs, and address regulatory, trust, post-quantum, and scalability challenges.
• Manual, unclear operating models are unsustainable as certificate volumes rise and lifetimes shrink.
• One-size PKI hierarchies no longer work; diverse needs demand flexible trust models.Convergence across PKI, CLM, and security solutions is driving integration and stronger interoperability.
• CLM tools are expanding into SSH, encryption, and secrets management but still rely on solid foundations in trust, automation, and discovery.

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