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

Wildcard vs. Multi-Domain Certificates: Choosing the Right SSL for Your Needs

In today's complex digital landscape, securing your online presence is paramount. SSL certificates are the bedrock of online security, encrypting communication and verifying website identity. But wi...

Tim Henrich

Sep 09, 2025

4 min read

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Security Insights

Taming the Wild West of Subdomain Certificates: Strategies for Streamlined Management

Managing certificates for a handful of domains is manageable, but when your application landscape explodes with dozens, even hundreds, of subdomains, certificate management can quickly become a tangle...

Tim Henrich

Sep 09, 2025

4 min read

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Security Insights

Security

SSL Certificate Management: Real Stories from the Trenches

How SSL certificate failures cost companies millions in revenue, plus proven strategies from real consulting experiences.

Tim Henrich

Aug 28, 2025

4 min read

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Security Insights

IoT

IoT Certificate Management: Securing Millions of Connected Devices

How enterprises are scaling certificate management to protect massive IoT deployments while maintaining operational efficiency

Tim Henrich

Aug 27, 2025

11 min read

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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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Knowledge Hub

Wildcard vs. Multi-Domain Certificates: Choosing the Right SSL for Your Needs

Taming the Wild West of Subdomain Certificates: Strategies for Streamlined Management

SSL Certificate Management: Real Stories from the Trenches

IoT Certificate Management: Securing Millions of Connected Devices

Naive approach - loads certificate on every invocation

Attacker searches CT logs for target organization

Topics

Featured

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

Microservices Certificate Management: Best Practices & Automation for 2024-2025

Wildcard vs. SAN SSL Certificates: Choosing & Managing TLS/SSL for DevOps