CA/Browser Forum
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About the CA/Browser Forum

The CA/Browser Forum is governed by Bylaws, which were first adopted in 2012. The Bylaws set forth the qualifications for Membership in the Forum, and the types of participation that are allowed for non-voting members, interested parties, and others.  The Forum is an unincorporated association of separate organizations.

All active participants in CA/Browser Forum activities must agree to the Forum’s Intellectual Property Rights Policy, also adopted in 2012.

The Forum elects Officers — a Chair, who serves a two-year term, and a Vice Chair. The Chair and Vice Chair manage the Meetings of the Forum and act as the Forum’s official representatives.

The Forum communicates through a variety of means, such as email lists, telephone calls, face-to-face meetings, and this web site. As stated generally in section 1 of the Forum’s Bylaws, the CA/Browser Forum advances industry best practices to improve the ways that certificates are used to the benefit of Internet users and the security of their communications.

Latest releases
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
v1.0.7 - Ballot SMC09 - Nov 25, 2024

This ballot includes updates for the following: • Require pre-linting of leaf end entity Certificates starting September 15, 2025 • Require WebTrust for Network Security for audits starting after April 1, 2025 • Clarify that multiple certificatePolicy OIDs are allowed in end entity certificates • Clarify use of organizationIdentifer references • Update of Appendix A.2 Natural Person Identifiers This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Clint Wilson (Apple) and Martijn Katerbarg (Sectigo).

Network and Certificate System Security Requirements
v2.0 - Ballot NS-003 - Jun 26, 2024

Ballot NS-003: Restructure the NCSSRs in https://github.com/cabforum/netsec/pull/35

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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).