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

The Ultimate Guide to Disaster Recovery Planning for Certificate Infrastructure (PKI)

Public Key Infrastructure (PKI) and certificate management form the foundational trust layer for modern IT. From enabling Zero Trust architectures and securing communications via TLS, to code signing ...

Tim Henrich

Apr 15, 2026

7 min read

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Security Insights

Defeating Man-in-the-Middle Attacks: The DevOps Guide to Modern Certificate Management

Man-in-the-Middle (MitM) attacks used to conjure images of rogue hackers sitting in coffee shops, spoofing public Wi-Fi networks to steal Facebook passwords. Today, that threat model is dangerously ou...

Tim Henrich

Apr 14, 2026

7 min read

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Security Insights

Why Your Certificate Spreadsheet is a GDPR Fine Waiting to Happen: The 2024-2025 Guide

For years, IT departments have relied on a familiar, albeit fragile, system for managing SSL/TLS certificates: the shared spreadsheet. A DevOps engineer or sysadmin logs the issuance date, sets a cale...

Tim Henrich

Apr 10, 2026

7 min read

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Security Insights

Stop the Outages: A DevOps Guide to SSL/TLS Certificate Monitoring in the 90-Day Era

In the modern infrastructure landscape, a single expired SSL/TLS certificate is a ticking time bomb. Historically, managing these cryptographic assets was a tedious but manageable chore relegated to c...

Tim Henrich

Apr 10, 2026

7 min read

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Security Insights

Why certificate pinning leads to application outages and how to implement it safely

For years, certificate pinning was heralded as the absolute gold standard for mobile and API security. By hardcoding the expected TLS certificate or public key directly into an application, security t...

Tim Henrich

Apr 06, 2026

8 min read

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Security Insights

A breakdown of PKI file extensions, encodings, and container formats

If you have spent any time managing infrastructure, you have likely experienced the specific dread of a failed TLS handshake. You generate a certificate, upload it to your load balancer or web server,...

Tim Henrich

Apr 06, 2026

7 min read

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Knowledge Hub

The Ultimate Guide to Disaster Recovery Planning for Certificate Infrastructure (PKI)

Defeating Man-in-the-Middle Attacks: The DevOps Guide to Modern Certificate Management

Why Your Certificate Spreadsheet is a GDPR Fine Waiting to Happen: The 2024-2025 Guide

Stop the Outages: A DevOps Guide to SSL/TLS Certificate Monitoring in the 90-Day Era

Why certificate pinning leads to application outages and how to implement it safely

A breakdown of PKI file extensions, encodings, and container formats

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