https://razeencheng.com/categories/pki/ca--digital-certificates/Recent content in PKI/CA & Digital Certificates on Razeen`s Bloghttps://razeencheng.com/avatars/apple-touch-icon.pnghttps://razeencheng.com/avatars/apple-touch-icon.pngHugo -- gohugo.ioenSun, 13 Apr 2025 08:00:00 +0000https://razeencheng.com/posts/en/reduction-if-certificate-validity-to-47-days/Sun, 13 Apr 2025 08:00:00 +0000https://razeencheng.com/posts/en/reduction-if-certificate-validity-to-47-days/<p>The foundation of trust on the internet is quietly evolving. You may have noticed that the little padlock in your browser’s address bar is becoming more common, indicating that a website uses HTTPS encryption—something that relies on SSL certificates. Today, a significant industry development may have a profound impact on all website operators: the CA/Browser Forum (CABF) has passed a proposal called <a href="https://github.com/cabforum/servercert/pull/553">SC-081</a>, which plans to gradually reduce the maximum validity of publicly trusted SSL certificates to just 47 days! What does this change mean, and how will it affect us? Let’s dive in.</p>