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

Fixing SSL Certificate Chain Validation Failures in Production

It is a scenario practically every DevOps engineer and system administrator has encountered: you deploy a newly issued SSL/TLS certificate to your web server. You open Google Chrome, navigate to the d...

Tim Henrich

Aug 17, 2026

7 min read

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Security Insights

Automating Certificate Management Across Ephemeral Kubernetes Workloads

As Kubernetes solidifies its position as the operating system for the cloud, managing machine identities has become a primary operational bottleneck. A single Kubernetes cluster might spin up and tear...

Tim Henrich

Aug 13, 2026

7 min read

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Security Insights

A Practical Security Assessment Checklist for Internal Certificate Authorities

Public Key Infrastructure (PKI) and Certificate Authorities (CAs) form the foundational trust layer of modern IT. They secure web traffic, authenticate machine identities, sign code, and enable Zero T...

Tim Henrich

Aug 13, 2026

7 min read

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Security Insights

Certificate Architecture Patterns for Ephemeral Microservices

When Epic Games suffered a massive 5.5-hour global outage, the root cause wasn't a sophisticated cyberattack or a catastrophic database failure. An internal TLS certificate expired, preventing microse...

Tim Henrich

Aug 11, 2026

6 min read

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Security Insights

Domain Expiration is a Cybersecurity Crisis, Not an Admin Error

For decades, a forgotten domain renewal was treated as an embarrassing administrative oversight. If a company forgot to pay its registrar, the website would be replaced by a parked page full of generi...

Tim Henrich

Aug 07, 2026

7 min read

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Security Insights

Diagnosing Broken Certificate Chains When the Leaf Certificate is Valid

You just rotated your TLS certificates. You open Google Chrome, navigate to your production endpoint, and see the reassuring padlock icon. The deployment was a success. Ten minutes later, your PagerDu...

Tim Henrich

Aug 07, 2026

7 min read

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Knowledge Hub

Fixing SSL Certificate Chain Validation Failures in Production

Automating Certificate Management Across Ephemeral Kubernetes Workloads

A Practical Security Assessment Checklist for Internal Certificate Authorities

Certificate Architecture Patterns for Ephemeral Microservices

Domain Expiration is a Cybersecurity Crisis, Not an Admin Error

Diagnosing Broken Certificate Chains When the Leaf Certificate is Valid

Topics

Featured

Implementing Certificate Transparency and Automating Domain Monitoring

Why Valid SSL Certificates Break in API Clients and IoT Devices

Defeating Adversary-in-the-Middle Attacks with Automated Certificate Controls