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

Certificate Pinning: The Ultimate Security Control or an Operational Time Bomb?

In the world of application security, few techniques are as powerful—or as polarizing—as certificate pinning. On one hand, it offers a nearly impenetrable defense against sophisticated Man-in-the-Midd...

Tim Henrich

Nov 18, 2025

8 min read

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Security Insights

Beyond Expiration: A Modern Guide to Monitoring Certificate Health in Production

In February 2023, a single expired SSL certificate brought down Microsoft Teams, Exchange Online, and a suite of other Microsoft 365 services for millions of users worldwide. A year later, a similar i...

Tim Henrich

Nov 18, 2025

8 min read

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Security Insights

The Silent Killer of Kubernetes Clusters: A Guide to Modern Certificate Management

It was a quiet Tuesday in March 2023 when a significant portion of the Microsoft Azure cloud began to fail. Services like Storage, Cosmos DB, and App Service went dark, impacting thousands of customer...

Tim Henrich

Nov 17, 2025

8 min read

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Security Insights

Don't Let It Expire: A Modern Guide to Automating Certificate Renewal with Let's Encrypt

In the world of infrastructure management, a TLS certificate expiration is more than an inconvenience; it's a critical failure. It erodes user trust, breaks API integrations, and can bring your servic...

Tim Henrich

Nov 17, 2025

7 min read

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Security Insights

Beyond Spreadsheets: Your Blueprint for Building a Modern Certificate Management Team

In January 2023, a single expired internal certificate brought Microsoft's global cloud services to a standstill. For hours, Azure, Microsoft 365, and Teams were inaccessible to millions, a stark remi...

Tim Henrich

Nov 15, 2025

9 min read

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Security Insights

WHOIS Privacy vs. Business Transparency: Navigating the New Rules of Domain Identity

In the digital landscape, trust is the ultimate currency. For decades, the WHOIS protocol was a foundational, if flawed, pillar of that trust. It was a public directory for the internet, allowing anyo...

Tim Henrich

Nov 14, 2025

8 min read

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Knowledge Hub

Certificate Pinning: The Ultimate Security Control or an Operational Time Bomb?

Beyond Expiration: A Modern Guide to Monitoring Certificate Health in Production

The Silent Killer of Kubernetes Clusters: A Guide to Modern Certificate Management

Don't Let It Expire: A Modern Guide to Automating Certificate Renewal with Let's Encrypt

Beyond Spreadsheets: Your Blueprint for Building a Modern Certificate Management Team

WHOIS Privacy vs. Business Transparency: Navigating the New Rules of Domain Identity

Topics

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