Blog

Insights, guides, and best practices for SSL certificate management

By Dmitry YahnovApril 12, 2026

A real-world look at DIY vs SaaS SSL monitoring in 2026 — why simple scripts fail at scale, the hidden operational costs, and how to choose the right approach for your team.

By Dmitry YahnovApril 1, 2026

When an SSL certificate expires and takes down a production service, the post-mortem almost always reveals the same thing. It wasn't that the team lacked the tools to catch it. It wasn't that renewal was impossible. It was that nobody thought it was specifically their job to notice.

Most SSL monitoring tools can only check public websites — but modern systems rely heavily on private networks, internal APIs, and restricted environments. This creates a major visibility gap. In this article, we explain how SSL monitoring agents work, why they're essential for complete coverage, and how they help you monitor certificates across both public and private infrastructure.

Managing SSL certificates across multiple environments — development, staging, and production — is a common but often overlooked challenge. While production certificates usually get the most attention, expired or misconfigured certificates in non-production environments can delay releases, break integrations, and create unexpected outages. This guide explains why SSL monitoring must extend beyond production, highlights common pitfalls, and outlines best practices for achieving full visibility across all environments.

By Dmitry YahnovMarch 2, 2026

2026 marks a pivotal year for SSL/TLS. Certificate lifespans are shrinking dramatically, validation requirements are tightening, and post-quantum cryptography is finally arriving in production environments. This post covers the three major transformations every developer and IT leader needs to understand.

By Dmitry YahnovFebruary 24, 2026

An expired SSL certificate doesn't just show a browser warning. It silently breaks APIs, tanks search rankings, and costs far more in revenue and engineering time than most teams expect.

A valid certificate with a broken chain is functionally the same as an expired one. Browsers hide the problem by caching intermediates, but API clients, mobile apps, and webhooks fail silently. Here's how certificate chains work, why they break, and how to catch issues before your users do.

Let's Encrypt brought free, automated SSL to millions of domains. But short-lived certificates and invisible renewal failures introduced a risk most teams don't see coming — until something breaks at the worst possible time.

By Dmitry YahnovFebruary 4, 2026

"SSL certificate not trusted" errors occur when clients can't verify a certificate's trust chain. Common causes include missing intermediate certificates, hostname mismatches, outdated client trust stores, or certificates that weren’t properly deployed. Fixing the issue requires validating the full certificate chain in production and monitoring SSL behavior before users are impacted.

By Dmitry YahnovFebruary 1, 2026

Automating SSL renewal prevents certificates from expiring, but it doesn't guarantee they're correctly deployed or working in production. SSL monitoring validates real-world behavior — catching broken chains, misconfigurations, and deployment issues before they cause outages. To stay online, modern teams need both renewal and monitoring.

By Dmitry YahnovJanuary 18, 2026

SSL best practices every developer should follow to avoid outages, security risks, and expired certificates. Learn how to automate renewal, secure APIs, and prevent common SSL mistakes.

By Dmitry YahnovJanuary 9, 2026

API SSL expiration doesn't announce itself with browser warnings. It shows up as timeouts, failed webhooks, broken mobile apps, and cascading service errors. This post breaks down the real-world symptoms of expired SSL certificates on APIs and why traditional monitoring often misses them.

Relying on calendar reminders for SSL renewal is risky. Discover why manual tracking fails and how automated monitoring keeps your website secure and online.

By Dmitry YahnovJanuary 3, 2026

SSL and TLS are often used interchangeably, but they are not the same. Learn the key differences, why SSL is obsolete, and why TLS is the modern standard for secure websites.

An SSL certificate secures the connection between your website and its visitors. Learn what SSL is, how it works, and why every modern website needs it to stay secure, trusted, and online.