Intelligent Trust for the real world

Modernize trust with automation

Certificate lifecycles are getting shorter. Prepare for what’s ahead with practical resources to improve visibility, reduce manual work, and build automation step by step.

Start preparing

Modernize trust with automation

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The Road to 100 Days

Make the time before 100-day certificates count

On March 15, 2027, the industry reaches its next major milestone: 100-day certificates.

The Road to 100 Days is your opportunity to understand what shorter lifecycles mean for your environment, identify where manual processes may struggle, and build greater visibility and automation before the next change arrives.

Make time before 100 days

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You don’t have to automate everything at once

Start with the right information, practical guidance, and proven approaches to build readiness step by step.

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See what peers are experiencing

Certificate Management Outlook

New research on certificate scale, outages, readiness, and the growing role of automation.

Explore the research →

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Get the straight answer

Building A Modern PKI

Short conversations with experts tackling practical questions about PKI modernization, certificate management, and automation.

Watch the series →

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See it in action

Automation Demo Series

Practical demonstrations of certificate automation across real environments, platforms, and workflows.

Explore demo sessions →

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What did 200 days expose?

The first wave of 200-day renewals is an early test of whether today’s certificate processes can keep pace. See what to look for now—and what to address before 100-day lifecycles arrive.

  • Can you see it?
    Do you have visibility across the certificates you’re responsible for?
  • Can you manage it?
    Are ownership and lifecycle processes clear and consistent?
  • Can you automate it?
    Can certificates renew and deploy without relying on manual intervention?
Exposure

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200 days is just the beginning

What feels manageable today may look very different at 100 days. Find the gaps now, while there’s still time to address them

See what it means

Get the context behind the first 200-day renewal cycle.

Read the blog

See what to do about it

Explore Road to 100 Days experiences and events designed to help you prepare.

Find an event

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47-Day TLS certificates

Shorter lifecycles. Higher stakes.

Understand what's changing—and what to do next.

Manual certificate management wasn't designed for 47-day certificate lifecycles. Organizations need greater visibility, automation, and operational control to keep pace with shorter renewal cycles.

Prepare for 47-Day TLS

Prepare for 47 days

Estimate the value of modern CLM

Use the calculator to estimate what manual CLM may be costing your organization—and where automation can make the biggest difference.

Moving from manual certificate management to a more automated, scalable approach can reduce operational effort, lower renewal risk, and create measurable business value.

According to Forrester's Total Economic Impact™ study commissioned by DigiCert, a composite organization achieved 312% ROI and $10.1M in net present value with DigiCert ONE.*

Calculate your savings

*Source: The Total Economic Impact™ study is commissioned by DigiCert and delivered by Forrester Consulting. Results are based on a composite organization derived from customer interviews. Forrester does not endorse DigiCert or its offerings.

Estimate the value of modern CLM

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Build your automation foundation

Explore the tools and resources that help you prepare for shorter certificate lifecycles and scalable certificate automation.

Visibility

See what modern CLM looks like

Discover, manage, and automate certificate lifecycles from a centralized platform.

Explore Trust Lifecycle Manager

Calendar

Know what’s changing—and when

Track upcoming DigiCert changes alongside industry enforcement dates so you can plan ahead and avoid surprises.

See the trust calendar

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Looking for a full automation solution?

Explore how DigiCert helps organizations automate certificate lifecycles, reduce outages, and scale trust operations across cloud, on-prem, and hybrid environments.

Explore automation

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Explore more insightful resources

Excerpt

DigiCert Named a Leader in the 2026 IDC MarketScape for CLM

Download the excerpt

TEI study

The Total Economic Impact of DigiCert ONE

Get the Forrester TEI study

Calendar

DigiCert Trust Calendar

View the calendar

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Get answers to frequent automation questions

What is certificate lifecycle automation?
Certificate lifecycle automation uses policy, integrations, and workflows to discover, issue, renew, validate, and manage certificates with less manual effort.
Why do shorter certificate lifecycles make automation more important?
Shorter lifecycles increase renewal frequency. Manual tracking and renewal processes become harder to scale, increasing the risk of missed renewals, outages, and operational burden.
What should enterprises do first?
Start with visibility. Teams need to know where certificates exist, who owns them, which systems depend on them, and how validation is handled before automation can scale reliably.
How does DNS validation support certificate automation?
DNS-based validation can help automate certificate issuance and renewal workflows by enabling secure domain validation steps across managed environments.
How is this page different from DigiCert's Automation Solutions page?
This hub is a planning and resource center for teams preparing for shorter certificate lifecycles. The Automation Solutions page explains DigiCert's broader solution capabilities.
What resources should I start with?
Executives may want to start with the ROI calculator and Trust Calendar. Technical teams may want to start with the Automation Demo Series and discovery resources.

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Talk to an expert

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