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Let’s Encrypt Reduces SSL/TLS Certificate Validity to 45 Days

First seen 3 Dec 2025, 13:42 UTC •CybersecuritynewsGbhackers •24

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Let’s Encrypt announced it will reduce the validity period of its SSL/TLS certificates from 90 days to 45 days starting in 2026. This change will be fully implemented by February 2028 and affects millions of websites relying on Let’s Encrypt for digital certificates.

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