Let’s Encrypt Cuts Default Certificate Validity to 64 Days Ahead of 45-Day Switch

October 12, 2026 · 7:23 am 2 sources

Image: Help Net Security

Coverage

Coverage

• Let’s Encrypt TLS certificate lifetimes to drop from 90 to 64 days starting February 2027
  Help Net Security · October 12, 2026 07:23
  Websites that rely on Let’s Encrypt will soon have to renew their TLS certificates more often. Starting February 10, 2027, the certificate authority will issue certificates valid for 64 days by default, down from 90 days. Subscribers who already use Let’s Encrypt’s optional 45-day or 6-day…
• Let’s Encrypt Cuts Default Certificate Validity to 64 Days Ahead of 45-Day Switch
  SecurityWeek · October 12, 2026 07:53
  Beginning February 2027, all newly issued certificates will have a 64-day validity period by default. The post Let’s Encrypt Cuts Default Certificate Validity to 64 Days Ahead of 45-Day Switch appeared first on SecurityWeek .