Welcome to the CA/Browser Forum
The Certification Authority Browser Forum (CA/Browser Forum) is a voluntary gathering of Certificate Issuers and suppliers of Internet browser software and other applications that use certificates (Certificate Consumers).
More information for about the forum and information for Site Owners, Developers, Auditors and Assessors, and Potential Members can be found in the About section of this website.
Recent posts
November 17, 2025 by The Intellectual Property Review (IPR) period for Ballot CSC-31 (Ballot CSC-31: Maximum Validity Reduction) has completed. No IPR Exclusion Notices were filed, and the ballot is adopted as of November 17, 2025. The new CSC BRs v3.10.0 have been published to the CABF public website in accordance with the Bylaws: https://cabforum.org/uploads/CA-Browser-Forum-CSCBR-3.10.0.pdf IPR Review of Ballot CSC-31: Maximum Validity Reduction This Review Notice is sent pursuant to Section 4.1 of the CA/Browser Forum’s Intellectual Property Rights Policy (v1.3). This Review Period of 30 days is for one Final Maintenance Guidelines. The complete Draft Maintenance Guideline that is the subject of this Review Notice is attached to this email.
November 12, 2025 by Wayne ThayerVoting Results Certificate Issuers 24 votes in total:
November 10, 2025 by Wayne ThayerVoting Results Certificate Issuers 26 votes in total: