Blog about digital certificates, CAs, and security
Mandatory record in Certificate Transparency for all new TLS certificates
Starting June 1, 2026, DigiCert will log all newly issued public TLS certificates, including reissued certificates, to Certificate Transparency (CT) logs. This change applies to all certificates issued by DigiCert certificate authorities, regardless of validation…
5 Jun 2026 | Petra SalašováFrom the latest articles
Spring changes in root/intermediate certificates
During April and May 2026, selected root and intermediate certificates within the Mozilla and DigiCert ecosystems will be revoked. This article summarizes the reasons for these changes and their practical implications.
8 Apr 2026 | Jindřich ZechmeisterShortening Certificate Validity: Automation is a Must
The TLS certificate landscape is changing rapidly. Shorter lifetimes and increased pressure for automated validation are reshaping current practices. With early changes from DigiCert and Google pushing automatic domain validation, automation is no longer…
23 Jan 2026 | Jindřich ZechmeisterDigiCert introduced the ACME client DC-ACME for automation.
The new DC-ACME ACME client from DigiCert enables automatic certificate renewal without third-party tools. You therefore do not need to rely on Certbot or other programs. You can easily obtain the ACME EAB credentials in your SSLmarket account and start…
2 Jan 2026 | Jindřich ZechmeisterSafer Software with Signing Transparency: What's New from Microsoft
Microsoft introduced Signing Transparency — a cryptographically verifiable transparent log that increases trust in software and protects against attacks on the software supply chain. Learn how this technology is changing the way signed artifacts are verified.
28 Nov 2025 | Jindřich Zechmeister