SSL Certificates
199 days now, 99 days by 15 March 2027
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Latest news on SSL/TLS, certificate security and industry updates.
Eight CA keys from eMudhra can be computed in under a second. Chrome, Firefox, Safari and now Edge block them, but API integrations and equipment that talks to a cloud can stay exposed until 2039. How to test and fix it.
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CAs are replacing their root certificates because the old root keys are getting too old, and the new roots may only be used for web servers. The dates, what a cross-signed certificate does, why Windows Server needs extra work, and what FairSSL does about it.
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CA/Browser Forum has decided to remove Client Authentication from public SSL certificates. This affects VPN, mTLS and other scenarios where SSL certificates are used for client authentication.
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Your choice of Certificate Authority impacts browser compatibility and infrastructure resilience. Learn about root certificate lifecycles, cross-signing, and why relying on a single CA is a critical vulnerability.
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The SSL industry faces three major technical changes in 2026, mandated by the CA/Browser Forum. Read about the reduction to 199 and 99 days, new rules for Code Signing, and the removal of Client Auth.
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DNS CAA records (RFC 8659) give you control over which CAs may issue certificates for your domain. Learn how to set them up correctly.
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Since June 2023, all Code Signing certificates require physical key protection. Compare USB tokens with cloud HSM solutions like Azure Key Vault.
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Wildcard and SAN (Multi-Domain) certificates both cover multiple hostnames, but differently. Learn the security implications and when to choose which.
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Google Chrome is dropping trust in Entrust certificates. From 11 November 2024, Chrome will no longer trust TLS certificates issued by Entrust.
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From 1 June 2023, all CAs require physical key security for issuing Code Signing OV certificates.
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GlobalSign has revoked multiple certificates due to a technical error in their intermediate CAs.
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Browsers are forcing CAs to reduce all SSL certificates to under 398 days.
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Secure Sockets Layer, or SSL, is essentially dead. Most people just have not noticed that we switched to Transport Layer Security, or TLS.
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SSL/TLS certificates provide both identity verification and encryption online. Here is a quick guide to how it all works.
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Google Chrome is strangling Symantec's CA business as a symbolic sacrifice. Here is the full story of what happened.
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The CAB Forum has voted to limit new certificates to 2 years and 3 months, or 825 days.
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