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

Surviving the Unthinkable: Disaster Recovery Planning for Modern Certificate Infrastructure

Public Key Infrastructure (PKI) and certificate management form the absolute foundation of modern IT trust. They are the invisible engines powering Zero Trust architectures, secure DevOps pipelines, a...

Tim Henrich

May 05, 2026

7 min read

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Security Insights

Mutual TLS protects API-to-API communication from token replay attacks

The era of relying solely on static API keys and bearer tokens for Machine-to-Machine (M2M) communication is over. As organizations transition to microservices, multi-cloud architectures, and Zero Tru...

Tim Henrich

May 01, 2026

8 min read

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Security Insights

Beyond the Password: A DevOps Guide to Preventing Domain Hijacking in 2025

In July 2024, the decentralized finance (DeFi) world experienced a synchronized, catastrophic security event. Over 130 prominent crypto platforms—including Compound Finance, Celer Network, and Pendle—...

Tim Henrich

Apr 30, 2026

7 min read

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Security Insights

Setting up reliable SSL monitoring to catch expirations before they cause downtime

The paradigm of SSL/TLS certificate management is undergoing a massive, forced evolution. For years, IT and DevOps teams could comfortably provision a certificate, set a calendar reminder for 12 month...

Tim Henrich

Apr 30, 2026

7 min read

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Security Insights

Infrastructure patterns for ultra-short-lived certificates in microservice environments

The traditional network perimeter is dead. In modern distributed systems, relying on firewall rules and private IP spaces to secure east-west (service-to-service) traffic is no longer a viable securit...

Tim Henrich

Apr 29, 2026

7 min read

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Security Insights

Architect automated Let's Encrypt renewal pipelines using the ACME protocol

The era of the one-year SSL/TLS certificate is officially coming to an end. With Google Chrome’s "Moving Forward, Together" initiative pushing to reduce the maximum validity of public TLS certificates...

Tim Henrich

Apr 28, 2026

6 min read

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Knowledge Hub

Surviving the Unthinkable: Disaster Recovery Planning for Modern Certificate Infrastructure

Mutual TLS protects API-to-API communication from token replay attacks

Beyond the Password: A DevOps Guide to Preventing Domain Hijacking in 2025

Setting up reliable SSL monitoring to catch expirations before they cause downtime

Infrastructure patterns for ultra-short-lived certificates in microservice environments

Architect automated Let's Encrypt renewal pipelines using the ACME protocol

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