Let's Encrypt to cut certificate lifetimes to 64 days
Translated by a model; the original is in Russian.
Let's Encrypt, the certificate authority that issues free SSL/TLS certificates, has announced it will shorten their validity period to 64 days. The new rule takes effect in February 2027.
Today Let's Encrypt certificates last longer and need to be reissued less often. Moving to a 64-day lifetime means certificates will have to be renewed more frequently — so administrators should make sure their renewal automation is in place and working reliably well before the change.
Shorter certificate lifetimes are part of a broader industry trend: the briefer the validity window, the smaller the opportunity for a compromised or mistakenly issued certificate to cause harm, and the stronger the incentive to rely on automatic renewal rather than manual updates.
Source: Ars Technica
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