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

Beyond Spreadsheets: A Practical Guide to Infrastructure as Code for Certificate Management

In early 2023, a single expired internal TLS certificate brought down a swath of Microsoft Azure services, including Storage, SQL DB, and Cosmos DB. This wasn't a sophisticated cyberattack; it was a s...

Tim Henrich

Dec 19, 2025

8 min read

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Security Insights

Beyond Passwords: A DevOps Guide to API Security with mTLS

In the world of API security, we've become comfortable with bearer tokens, API keys, and OAuth 2.0. These methods are effective for user authentication, but they share a common vulnerability: they rel...

Tim Henrich

Dec 19, 2025

8 min read

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Security Insights

The Security Goldmine You're Ignoring: A Guide to Certificate Transparency Monitoring

For years, IT and DevOps teams have viewed TLS certificates through a singular lens: expiration. The primary concern has been avoiding the dreaded "Your connection is not private" error that brings se...

Tim Henrich

Dec 18, 2025

7 min read

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Security Insights

Breaking the Chain: A Deep Dive into TLS Certificate Chains and Trust Paths

In July 2024, Starlink experienced a global outage that left users offline for over three hours. The cause wasn't a satellite malfunction or a software bug, but something far more common and preventab...

Tim Henrich

Dec 18, 2025

8 min read

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Security Insights

Beyond `cron`: Mastering CDN Certificate Management for Global Applications

In early 2023, viewers of a major UK broadcaster trying to stream their favorite shows were met not with content, but with stark browser warnings. The culprit wasn't a server crash or a network outage...

Tim Henrich

Dec 17, 2025

8 min read

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Security Insights

Beyond the Padlock: A DevOps Guide to Certificate-Based Attack Vectors and Mitigations

The green padlock in a browser has become a universal symbol of trust. We've trained users to look for it, assuring them that their connection is secure. But for DevOps engineers, security professiona...

Tim Henrich

Dec 17, 2025

8 min read

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Knowledge Hub

Beyond Spreadsheets: A Practical Guide to Infrastructure as Code for Certificate Management

Beyond Passwords: A DevOps Guide to API Security with mTLS

The Security Goldmine You're Ignoring: A Guide to Certificate Transparency Monitoring

Breaking the Chain: A Deep Dive into TLS Certificate Chains and Trust Paths

Beyond `cron`: Mastering CDN Certificate Management for Global Applications

Beyond the Padlock: A DevOps Guide to Certificate-Based Attack Vectors and Mitigations

Topics

Featured

The True Cost of Certificate Outages: Why Manual Management is a Mathematical Impossibility

Shift-Left Software License Compliance: Surviving Audits in the Cloud Era

Software License Compliance in the Cloud Era: Surviving AI, SBOMs, and Ephemeral Infrastructure