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id: news-20261008-9a2b4f
title: Let's Encrypt cuts certificate lifetimes to 64 days starting February 2027
url: https://arstechnica.com/gadgets/2026/10/lets-encrypt-cuts-certificate-lifetimes-to-64-days-starting-february-2027/
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source: ArsTechnica
category: news/tech
category_raw: tech
region: usa
tags: []
lang: en
published_at: '2008-10-26T19:57:17Z'
fetched_at: '2026-10-08T22:34:40.558555Z'
updated_at: '2026-10-09T04:26:47.689433Z'
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- technology
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---

# Let's Encrypt cuts certificate lifetimes to 64 days starting February 2027

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- (なし)

## Details
(本文なし。リンク先参照)

## Source
元記事: [Let's Encrypt cuts certificate lifetimes to 64 days starting February 2027](https://arstechnica.com/gadgets/2026/10/lets-encrypt-cuts-certificate-lifetimes-to-64-days-starting-february-2027/) — published 2008-10-26T19:57:17Z