Let's Encrypt to Reduce Certificate Lifetimes to 45 Days by 2028

Let's Encrypt to Reduce Certificate Lifetimes to 45 Days by 2028

First seen 3 Dec 2025, 05:38 UTC •Letsencrypt •25.8

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Let's Encrypt announced it will reduce the validity period of its certificates from 90 days to 45 days by 2028. This change aligns with industry standards set by the CA/Browser Forum Baseline Requirements, affecting all publicly-trusted Certificate Authorities. The move aims to enhance security by limiting the duration of certificate validity.

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