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Firefox Enforces Certificate Transparency, Boosting Web Security

2025-03-01

Firefox is mandating Certificate Transparency (CT) on desktop platforms, a significant advancement in web security. Starting with version 135, Firefox will reject certificates not meeting CT requirements, ensuring high transparency standards for all trusted certificates. This means website owners should verify their certificates are logged and publicly discoverable in CT logs. While most websites require no action, checking the Certificate Authority (CA) for CT support and monitoring certificates is crucial. Firefox's embrace of tile-based logs further strengthens the CT ecosystem, resulting in a safer browsing experience for users.

PostgreSQL Now a Trillian Storage Backend for Certificate Transparency Logs

2025-01-07

Trillian, the open-source Certificate Transparency (CT) log system, now supports PostgreSQL as a storage backend, thanks to a significant contribution from Sectigo. Driven by a previous MariaDB failure due to disk space exhaustion, Sectigo chose PostgreSQL for its enhanced reliability and data integrity, leveraging PostgreSQL's Write-Ahead Logging (WAL) and ACID properties. This benefits not only the CT ecosystem but also other Trillian-based transparency logs. Trillian v1.7.0 includes this support, currently in Alpha.