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Average number of digital certificates per enterprise

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Percentage of organizations hit by certificate outages

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Max public TLS certificate validity by 2029

Who this is for

This guide is built for those evaluating and making the decision on PKI and certificate management, whether you're:

  • Defining your organization's PKI strategy for the first time or rethinking an existing one

  • Navigating the operational impact of shorter certificate lifespans and growing certificate volumes

  • Evaluating vendors and need a structured way to compare what's out there

  • Managing certificates day to day and want to bring structure to how your team selects tooling

What this guide covers

A practical framework for making the right investment

This guide is a vendor-neutral evaluation framework covering the complete PKI and certificate management journey, from defining requirements to selecting and validating a platform.

01

A clear evaluation framework

Understand the factors defining PKI right now—including the 47-day certificate validity mandate, the explosion of machine identities, compliance requirements, and the shift toward post-quantum readiness—and use them to define what your organization actually needs from a CLM platform before you sit through a single demo.

02

A structured shortlist

Map your requirements to platform capabilities in depth, define trust boundaries across public and private certificate ecosystems, and validate functionalities through a structured proof of concept.

03

A realistic picture of total cost

Understand implementation overheads, what different pricing models mean as certificate volumes grow, the operational cost of not acting at all, and what renewal frequency increasing by up to 8 times under the new validity mandate actually means for your team.

04

A readiness check for what comes next

Assess whether the platform can handle where PKI is going, from crypto-agility to the growing need to unify and manage certificates alongside other machine identities like keys, API tokens, and secrets.

Download the complete
PKI and CLM buyer's guide

Get everything you need to evaluate and select a PKI and CLM platform.

  • 6-step platform shortlisting framework
  • Detailed evaluation methodology and weightage model
  • TCO analysis framework
  • ManageEngine Key Manager Plus spotlight
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PKI and certificate life cycle management buyer's guide 2026 — cover