Expert Insights & Best Practices

Knowledge Hub

Deep insights, real-world case studies, and proven strategies from the trenches of certificate and expiration management

Security Insights

Replacing compromised certificates requires an automated incident response playbook

A private key has been leaked to a public GitHub repository. A critical code-signing certificate has been stolen from a build server. An internal Certificate Authority (CA) has been compromised. These...

Tim Henrich

Nov 05, 2025

8 min read

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Security Insights

A forgotten SSL certificate costs an average of $276,000 in downtime and lost revenue

It often starts with a frantic message on Slack: "The website is down!" Users are greeted not with your homepage, but with a stark browser warning: "Your connection is not private." For a few tense ho...

Tim Henrich

Nov 04, 2025

8 min read

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Security Insights

Active PKI verification defends against modern Certificate Authority mis-issuance

The internet runs on trust. Every time you see that padlock icon in your browser, you're relying on a complex chain of trust anchored by Certificate Authorities (CAs). But what happens when that trust...

Tim Henrich

Nov 04, 2025

7 min read

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Security Insights

Flexible certificate pinning secures mobile applications without causing self-inflicted lockouts

Certificate pinning is one of the most powerful security controls you can implement in a mobile application. It’s a direct defense against sophisticated Man-in-the-Middle (MITM) attacks, where an atta...

Tim Henrich

Nov 03, 2025

7 min read

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Security Insights

Adapting subdomain issuance workflows for shrinking validity periods and ephemeral microservices

If you’ve ever been jolted awake by a PagerDuty alert for a "Connection Not Secure" error on a critical service, you understand the visceral pain of a forgotten certificate. For years, managing TLS ce...

Tim Henrich

Nov 03, 2025

8 min read

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Security Insights

When Trust Fails: A Modern Playbook for PKI Disaster Recovery

In January 2023, a single expired internal SSL certificate brought down a significant portion of Microsoft's Azure cloud services, impacting Teams, Outlook, and Sharepoint for millions of users global...

Tim Henrich

Oct 30, 2025

8 min read

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Knowledge Hub

Replacing compromised certificates requires an automated incident response playbook

A forgotten SSL certificate costs an average of $276,000 in downtime and lost revenue

Active PKI verification defends against modern Certificate Authority mis-issuance

Flexible certificate pinning secures mobile applications without causing self-inflicted lockouts

Adapting subdomain issuance workflows for shrinking validity periods and ephemeral microservices

When Trust Fails: A Modern Playbook for PKI Disaster Recovery

Topics

Featured

Quantifying the Real Cost of Certificate Outages on Modern Infrastructure

Securing DNS Infrastructure Against Subdomain Takeovers and Registrar Exploits

Automating Let's Encrypt Certificate Renewals Across Enterprise Infrastructure