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Information for Interested Parties

The role of the Interested Party in CA/B Forum activities is described in Section 3.2 of the Bylaws. An Interested Party may post to a Forum Working Group’s public mailing list and participate in teleconferences to which they are invited by the Working Group Chair related to their area of expertise or to the subject of their working group participation.

Individual persons and entities (e.g. companies) may become Interested Parties.

In order to participate as an Interested Party in the Forum / Working Group, you need to:

  1. Review the Intellectual Property Rights policy and complete the IPR agreement found there. If applying as an entity, the IPR Policy Agreement MUST be signed by a representative that is authorized to bind the entity to the agreement.

  2. Send an email to questions@cabforum.org with your name, organization (if applicable), contact details and the signed IPR agreement with the subject: Participation as an Interested Party in the [Working Group Name] Working Group. Be sure to specify the name(s) of the working group(s) that you would like to participate in.

Current Interested Parties at the Forum level

  • AGMS Information Technology Solutions
  • Andrea Fossati
  • Andrew Ayer
  • Arno Fiedler
  • Beijing Zhongyu Yongxin Network Technology Co., Ltd
  • CERT-EE
  • Certizen Limited
  • Cloudflare
  • David Croston (Private Person)
  • Deloitte LLP
  • Digitalberry
  • EFF (Electronic Frontier Foundation)
  • Envers
  • Grace Cimaszewski (Private Person)
  • ICANN
  • India PKI Forum
  • Insta Advance OY
  • Intel
  • KPMG AG
  • KPMG Korea
  • KPMG Taiwan
  • K Software LLC
  • Leader Telecom BV
  • Maria Merkel (Private Person)
  • Nathalie Weiler (Private Person)
  • Peercraft
  • Prateek Mittal (Private Person)
  • PSW
  • Rameez Rehman (Private Person)
  • Ryan Hurst (Private Person)
  • Santosh Pandit (Private Person)
  • Schellman and Company LLC
  • Sebastian Nielsen (Private Person)
  • Sergey Pavlovskiy (Private Person)
  • SINAM Limited Liability Company
  • TeleTrust
  • TurkTrust
  • Wojciech Jakubowski (Private Person)
  • Zane Ma (Private Person)
Latest releases
Server Certificate Requirements
SC098: Process RFC 8657 CAA Parameters - Jun 16, 2026

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
v1.0.15 - Ballot SMC017v2 - Jul 30, 2026

This ballot increases the minimum RSA key size for Root and Subordinate CA certificates in the S/MIME BRs from 2048 to 4096 bits for keys created after September 15, 2026, while retaining the 2048-bit minimum for Subscriber certificates. The ballot further requires that by September 15, 2027, CAs SHALL NOT issue Subscriber certificates from any Sub-CA whose RSA key modulus is less than 3072 bits, effectively sunsetting issuance from legacy 2048-bit Sub-CAs. The ballot also includes minor typographic corrections. This ballot is proposed by Martijn Katerbarg (Sectigo) and endorsed by Ben Wilson (Mozilla) and Stephen Davidson (DigiCert)

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).