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

Cloud

Naive approach - loads certificate on every invocation

Certificate validation failures during cold starts can add 2-3 seconds to serverless functions. This guide explores optimization strategies for AWS Lambda, Azure Functions, and beyond.

Tim Henrich

Aug 26, 2025

10 min read

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Security Insights

Certificate Management

Attacker searches CT logs for target organization

After conducting hundreds of penetration tests, I've discovered that certificate management represents one of the most consistently underexamined attack surfaces. This post reveals the certificate vulnerabilities that traditional pen tests miss and how attackers exploit them.

Tim Henrich

Aug 25, 2025

11 min read

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Security Insights

Certificate Management

Forgetting to Renew: The 5 Most Critical Expiration Dates Your Business is Probably Not Tracking

A missed renewal can disrupt your operations, compromise your security, and even put you in legal jeopardy. Let's break down the five most critical expiration dates your business is probably not tracking effectively.

Tim Henrich

Aug 24, 2025

5 min read

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Security Insights