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

Benchmarking Infrastructure Resilience with the Certificate Management Maturity Model

Public Key Infrastructure (PKI) and certificate management have fundamentally shifted from routine IT administrative tasks to critical cybersecurity imperatives. The explosion of machine identities—co...

Tim Henrich

Oct 08, 2026

7 min read

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Security Insights

Replacing Wildcard Certificates with Automated Single-Domain Issuance

The proliferation of microservices, edge computing, and cloud-native architectures has fundamentally changed how infrastructure teams handle DNS and TLS. A decade ago, an organization might have manag...

Tim Henrich

Oct 07, 2026

7 min read

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Security Insights

How the ACME Protocol Automates Certificate Provisioning Under the Hood

The math surrounding public key infrastructure is changing rapidly. With Google’s proposal via the CA/Browser Forum to reduce the maximum validity of public TLS/SSL certificates from 398 days to just ...

Tim Henrich

Oct 07, 2026

6 min read

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Security Insights

How to Prevent Bricked IoT Devices When Certificates Expire

When the Let's Encrypt DST Root CA X3 expired in September 2021, the fallout rippled far beyond web browsers. Millions of legacy IoT devices—including smart TVs, industrial sensors, and payment termin...

Tim Henrich

Oct 06, 2026

7 min read

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Security Insights

Configuring Load Balancer Certificates for Zero Trust and Shorter Lifecycles

In April 2023, a global outage of the Starlink satellite internet service left users disconnected for hours. The root cause was not a complex routing failure or a physical hardware fault in space. It ...

Tim Henrich

Oct 06, 2026

5 min read

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Security Insights

Stream Processing Certificate Transparency Logs for Early Threat Detection

When a threat actor registers a lookalike domain for a phishing campaign, the clock starts ticking immediately. Recent telemetry reveals that automated attack infrastructure—often secured via free Cer...

Tim Henrich

Oct 03, 2026

6 min read

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Knowledge Hub

Benchmarking Infrastructure Resilience with the Certificate Management Maturity Model

Replacing Wildcard Certificates with Automated Single-Domain Issuance

How the ACME Protocol Automates Certificate Provisioning Under the Hood

How to Prevent Bricked IoT Devices When Certificates Expire

Configuring Load Balancer Certificates for Zero Trust and Shorter Lifecycles

Stream Processing Certificate Transparency Logs for Early Threat Detection

Topics

Featured

Implementing Certificate Transparency and Automating Domain Monitoring

Why Valid SSL Certificates Break in API Clients and IoT Devices

Defeating Adversary-in-the-Middle Attacks with Automated Certificate Controls