Expert Insights & Best Practices

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

Security Insights

Beyond Compliance: A Technical Guide to Implementing Certificate Transparency

In the world of web security, some technologies evolve from a "nice-to-have" feature into a foundational, non-negotiable component of the infrastructure. Certificate Transparency (CT) has firmly made ...

Tim Henrich

Jan 19, 2026

8 min read

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Security Insights

The Art of the Seamless Swap: A Guide to Zero-Downtime TLS Certificate Rotation

The world of TLS certificates is accelerating. With industry leaders like Google pushing for a 90-day maximum certificate lifespan, the days of manually swapping a certificate once a year are over. Th...

Tim Henrich

Jan 19, 2026

9 min read

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Security Insights

Certificate Formats Explained: A DevOps Guide to PEM, DER, PKCS#12, and Beyond

In January 2023, a simple expired authentication certificate brought Microsoft Teams to a standstill globally. That same month, another expired TLS certificate took down critical UK government service...

Tim Henrich

Jan 17, 2026

8 min read

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Security Insights

Automate and Conquer: A GitOps Guide to Certificate Lifecycle Management

Certificate-related outages are the silent killers of uptime. They strike without warning, are often caused by simple human error, and can bring down critical services for hours. With the industry rap...

Tim Henrich

Jan 17, 2026

7 min read

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Security Insights

GitOps for Certificates: From Manual Chaos to Automated Order

It’s the alert no one wants to see: "SSL_ERROR_EXPIRED". It means your service is down, customer trust is eroding, and the clock is ticking on a costly outage. A **2024 report by the Ponemon Institute...

Tim Henrich

Jan 15, 2026

8 min read

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Security Insights

Beyond the Breach: A Modern Playbook for Surviving Certificate Authority Incidents

The ghosts of past Certificate Authority (CA) compromises still haunt the internet. Incidents involving DigiNotar in 2011 and Comodo in 2011 were digital earthquakes, shaking the very foundations of w...

Tim Henrich

Jan 15, 2026

8 min read

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Knowledge Hub

Beyond Compliance: A Technical Guide to Implementing Certificate Transparency

The Art of the Seamless Swap: A Guide to Zero-Downtime TLS Certificate Rotation

Certificate Formats Explained: A DevOps Guide to PEM, DER, PKCS#12, and Beyond

Automate and Conquer: A GitOps Guide to Certificate Lifecycle Management

GitOps for Certificates: From Manual Chaos to Automated Order

Beyond the Breach: A Modern Playbook for Surviving Certificate Authority Incidents

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Beyond the Breach: A Modern Playbook for Surviving Certificate Authority Incidents

Beyond the Spreadsheet: How to Ace Your SOC 2 Audit with Modern Certificate Monitoring

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