CA/Browser Forum

Leadership

The CA/Browser Forum strives to be a consensus-driven organization. There is no formal organizational structure. There are two recognized roles within the Forum and Working Group level: Chairperson and Vice-Chairperson. The Chairperson is responsible for coordinating meetings, preparing meeting minutes, and other organizational activities. The Vice Chairperson performs the duties of the Chairperson in the absence of the Chairperson, and other tasks delegated to the Chair and Vice-Chair. Further details concerning the responsibilities of the Chairperson and Vice-Chairperson can be found in the Bylaws.

Past Chairs and Vice Chairs

Current CA/Browser Forum Chair and Vice Chair

Term begins Dec 1, 2024 and ends Nov 30, 2026.

Server Certificate Working Group

  • Chairperson: Dimitris Zacharopoulos (HARICA)
  • Vice-Chairperson: Wayne Thayer (Fastly)

Term begins Dec 1, 2024 and ends Nov 30, 2026.

Code-Signing Certificate Working Group

  • Chairperson: Martijn Katerbarg (Sectigo)
  • Vice-Chairperson: Thomas Zermeno (SSL.com)

Term begins Dec 1, 2024 and ends Nov 30, 2026.

SMIME Certificate Working Group

  • Chairperson: Stephen Davidson (Digicert)
  • Vice-Chairperson: Martijn Katerbarg (Sectigo)

Term begins Dec 1, 2024 and ends Nov 30, 2026.

Network Security Working Group

Term begins Dec 1, 2024 and ends Nov 30, 2026.

Latest releases
Server Certificate Requirements
SC-081v3: Introduce Schedule of Reducing Validity and Data Reuse Periods - May 21, 2025

BR v2.1.5

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
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).