Lets Encrypt Certificate Lifetimes go from 90 days to 45 days
nvader Tuesday, December 09, 2025
Summary
Let's Encrypt, a free and open-source certificate authority, is transitioning to shorter 45-day certificate lifetimes to improve web security and user privacy. This change aims to mitigate risks associated with long-lived certificates and promote more frequent updates, contributing to a safer and more resilient web ecosystem.
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Summary
letsencrypt.org