CA/Browser Forum

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

2025-07-02 Minutes of the S/MIME Certificate Working Group
July 2, 2025 by
Minutes S/MIME
Minutes of SMCWG July 2, 2025 These are the Minutes of the meeting described in the subject of this message. Corrections and clarifications where needed are encouraged by reply.
Ballot SMC013: Enable PQC Algorithms for S/MIME
July 2, 2025 by Stephen Davidsoon
Ballot S/MIME
IPR Review of Ballot SMC013: Enable PQC Algorithms for S/MIME 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, and may be found at: https://cabforum.org/uploads/CA-Browser-Forum-SMIMEBR-1.0.11-Redline.pdf
Ballot SC-085v2: Require Validation of DNSSEC (when present) for CAA and DCV Lookups
June 18, 2025 by Wayne Thayer
Ballot Server Certificates
Voting Results Certificate Issuers 25 votes in total:
More posts of the CA/Browser Forum
Latest releases
Server Certificate Requirements
SC085v2: Require Validation of DNSSEC (when present) for CAA and DCV Lookups - Jul 21, 2025

Code Signing Requirements
v3.8 - Aug 5, 2024

What’s Changed CSC-25: Import EV Guidelines to CS Baseline Requirements by @dzacharo in https://github.com/cabforum/code-signing/pull/38 Full Changelog: https://github.com/cabforum/code-signing/compare/v3.7...v3.8

S/MIME Requirements
v1.0.10 - Ballot SMC012 - Jul 2, 2025

Introduces a new method for validation of mailbox control, using ACME for S/MIME as defined in RFC 8823: Extensions to Automatic Certificate Management Environment for End-User S/MIME Certificates.

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025

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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).