CA/Browser Forum

Members

The CA/Browser Forum includes the following members:

Certification Authorities

Certificate Consumers

  • 360 Browser
  • Apple
  • Brave
  • Cisco Systems
  • Comodo Security Solutions
  • Google
  • Microsoft
  • Mozilla
  • Mozilla/Thunderbird
  • Opera Software AS
  • QikFox Cybersecurity Systems Inc.
  • rundQuadrat
  • Zertificon

Associates

  • ACAB Council
  • CertiPath
  • CPA Canada/WebTrust
  • DarkMatter
  • ETSI
  • Keyfactor
  • tScheme
  • US Federal PKI Management Authority
  • Zone Media

Interested Parties

  • 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
SC100: DNSSEC Clarification and Consolidation - Sep 7, 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
v1.0.16 - Ballot SMC018 - Sep 29, 2026

This ballot implements the requirements of CCADB Policy Section 6.3 relating to cross-certificates into the S/MIME BR effective immediately. The ballot also specifies that effective July 1, 2027 id-kp-emailProtection (mandatory) and the id-kp-clientAuth (optional) are the only extKeyUsage (EKU) permitted in both Subordinate CA Certificates and Subscriber Certificates. Finally, the ballot clarifies in the Definitions that Legacy Generation profiles were deprecated effective July 15, 2025. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Dustin Hollinback (Apple) and Ashish Dhiman (GlobalSign)

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).