Why SSL Certificates Expire
SSL certificates expire to keep your encryption up-to-date. Requiring renewal every two years ensures you always have the latest TLS versions and ciphers. Websites need SSL certificates to secure online transactions and prevent criminals from accessing private information. Monitoring tools check validity and expiration status of certificates by sending periodic requests. Once expired, certificates no longer secure resources, so users trying to access sites with expired certificates get error messages.
Managing Expired SSL Certificates
Expired certificates still encrypt outgoing data. Operating systems invalidate certificates when root CAs expire. CDNs use their own universal SSLs to verify. These need origin server certificates installed. You can view certificate expiration dates by clicking the browser’s padlock icon. Select Certificate (Valid). New certificates use latest security standards. They re-confirm domain control. Shorter lifetimes promote new key creation as well.