Mozilla Security Blog

May 2020 CA Communication

Mozilla has sent a CA Communication and Survey to inform Certification Authorities (CAs) who have root certificates included in Mozilla’s program about current expectations. Additionally this survey will collect input … Read more

Expanding Client Certificates in Firefox 75

Starting in version 75, Firefox can be configured to use client certificates provided by the operating system on Windows and macOS. Background When Firefox negotiates a secure connection with a … Read more

Multi-Account Containers Add-on Sync Feature

The Multi-Account Containers Add-on will now sync your container configuration and site assignments. Firefox Multi-Account Containers allows users to separate their online identities into different tab types called Containers. Each … Read more

CRLite: Speeding Up Secure Browsing

CRLite pushes bulk certificate revocation information to Firefox users, reducing the need to actively query such information one by one. Additionally this new technology eliminates the privacy leak that individual … Read more

January 2020 CA Communication

Mozilla has sent a CA Communication to inform Certificate Authorities (CAs) who have root certificates included in Mozilla’s program about current events relevant to their membership in our program and … Read more

The End-to-End Design of CRLite

CRLite is a technology to efficiently compress revocation information for the whole Web PKI into a format easily delivered to Web users. It addresses the performance and privacy pitfalls of … Read more