The 47-Day SSL Certificate Era: What It Means for Site Owners and IT Teams
Security Boulevard, Friday, July 4th, 2025
In 2025, the world of SSL certificates is about to undergo a major shift - again.
The SSL/TLS ecosystem is preparing for a move toward short-lived certificates, with the next big milestone being the introduction of 47-day certificate validity periods. This marks a significant drop from the current 90-day standard commonly seen with free CAs like Let's Encrypt and an even steeper reduction from the 398-day maximum for commercial certificates.
But what's driving this change? And how should businesses, developers and IT teams prepare?
Let's break it down.