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
2025-05-22 Minutes of the Forum
May 22, 2025 by CA/B Forum Teleconference - 2025-05-22Meeting Title: CA/Browser Forum Date: 22 May 2025 Chair: Dean Coclin 1. Roll Call and Housekeeping Meeting called to order by Dean Coclin; recording in process. 2. Note-well Note-well has already been read. 3. Review Agenda No changes to the agenda. 4. Approval of Minutes April 10th - still pending May 8th - minutes approved. 5. Server Certificate Working Group update (Dimitris) SCWG Wayne said SC81 passed IPR review period, and new version after fixing some issues is available. Validation Subcommittee They spent the majority of time to discuss SC085 and SC082, and make significant progress including triage of a bunch of bugs in GitHub, including assigning things out to a few people. 6. Code Signing Certificate Working Group update (Martijn) CSC030 should be hitting discussion period shortly, and not further updates yet on reducing the validity period. Karina will take over the role of representative from Microsoft, and the ballot for reduction of validity period will start running by Microsoft. PQC ballot is pending, and looking for additional endorser. 7. S/MIME Certificate Working Group update (Stephen) Discussed on PQC to found out what else is need for ballot. Also discussed on MPIC and validation control over mailbox. SMC012 is in the discussion period. Kicked off for updating Section 7 and looking for volunteers. 8. NetSec Working Group update (Ben) Went through the issues on GitHub and closed 4~5 of them because they had already been resolved. Reviewed agenda for F2F meeting. 9. Definitions and Glossary Working Group (Tim Callan) Compared definitions from various documents to identify inconsistencies. Most definitions were identical or had trivial differences like capitalization. Developed proposals to resolve discrepancies and aim to gather feedback from a group of participants. The next steps involve incorporating feedback into a document and proceeding with a ballot. 10. Forum Infrastructure Subcommittee update (Ben) No meeting last week. 11. Intellectual Property Rights Subcommittee (Ben) Working on revising IPR policy. An email was sent on May 19th to a public list requesting feedback on the invited experts policy and agreement by the deadline of May 27th, acknowledging the upcoming holiday. Ben encouraged feedback by Tuesday and seeks two endorsers for a forum ballot. 12. Bylaws Changes (Ben) Aaron said a forum bylaws change ballot was sent to an old mailing list instead of current one, preventing recipients from receiving them. Aaron restarted the discussion period and encouraged participants to review the email and ballot, and to provide any comments or suggestions. 13. F2F meeting Agenda Tim highlighted recent incidents related to CPS errors causing mass revocation events, and proposed discussing potential solutions to improve transparency and accountability without such events. Dean encouraged participants to send topics after the call, if needed. Rebecca inquired about deadlines for agenda topics and Dean confirmed it would be finalized a week before the meeting.
May 22, 2025 by CA/B Forum Teleconference - 2025-05-22Meeting Title: CA/Browser Forum Date: 22 May 2025 Chair: Dean Coclin 1. Roll Call and Housekeeping Meeting called to order by Dean Coclin; recording in process. 2. Note-well Note-well has already been read. 3. Review Agenda No changes to the agenda. 4. Approval of Minutes April 10th - still pending May 8th - minutes approved. 5. Server Certificate Working Group update (Dimitris) SCWG Wayne said SC81 passed IPR review period, and new version after fixing some issues is available. Validation Subcommittee They spent the majority of time to discuss SC085 and SC082, and make significant progress including triage of a bunch of bugs in GitHub, including assigning things out to a few people. 6. Code Signing Certificate Working Group update (Martijn) CSC030 should be hitting discussion period shortly, and not further updates yet on reducing the validity period. Karina will take over the role of representative from Microsoft, and the ballot for reduction of validity period will start running by Microsoft. PQC ballot is pending, and looking for additional endorser. 7. S/MIME Certificate Working Group update (Stephen) Discussed on PQC to found out what else is need for ballot. Also discussed on MPIC and validation control over mailbox. SMC012 is in the discussion period. Kicked off for updating Section 7 and looking for volunteers. 8. NetSec Working Group update (Ben) Went through the issues on GitHub and closed 4~5 of them because they had already been resolved. Reviewed agenda for F2F meeting. 9. Definitions and Glossary Working Group (Tim Callan) Compared definitions from various documents to identify inconsistencies. Most definitions were identical or had trivial differences like capitalization. Developed proposals to resolve discrepancies and aim to gather feedback from a group of participants. The next steps involve incorporating feedback into a document and proceeding with a ballot. 10. Forum Infrastructure Subcommittee update (Ben) No meeting last week. 11. Intellectual Property Rights Subcommittee (Ben) Working on revising IPR policy. An email was sent on May 19th to a public list requesting feedback on the invited experts policy and agreement by the deadline of May 27th, acknowledging the upcoming holiday. Ben encouraged feedback by Tuesday and seeks two endorsers for a forum ballot. 12. Bylaws Changes (Ben) Aaron said a forum bylaws change ballot was sent to an old mailing list instead of current one, preventing recipients from receiving them. Aaron restarted the discussion period and encouraged participants to review the email and ballot, and to provide any comments or suggestions. 13. F2F meeting Agenda Tim highlighted recent incidents related to CPS errors causing mass revocation events, and proposed discussing potential solutions to improve transparency and accountability without such events. Dean encouraged participants to send topics after the call, if needed. Rebecca inquired about deadlines for agenda topics and Dean confirmed it would be finalized a week before the meeting.
2025-05-22 Minutes of the Server Certificate Working Group
May 22, 2025 by Wayne ThayerCA/B Forum Server Certificate WG Teleconference-20250522Meeting Title: CA/Browser Forum Server Certificate WG Date: 22 May 2025 Chair: Wayne Thayer on belalf of Dimitris Zacharopoulos Minutes Taken By: Lynn Jeun 1. Roll Call Meeting called to order by Wayne Thayer; Begin recording.
May 22, 2025 by Wayne ThayerCA/B Forum Server Certificate WG Teleconference-20250522Meeting Title: CA/Browser Forum Server Certificate WG Date: 22 May 2025 Chair: Wayne Thayer on belalf of Dimitris Zacharopoulos Minutes Taken By: Lynn Jeun 1. Roll Call Meeting called to order by Wayne Thayer; Begin recording.
Ballot SMC012: Introduce ACME for S/MIME
May 19, 2025 by Stephen DavidsoonIPR Review of Ballot SMC012: Introduce ACME 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.
More posts of the CA/Browser ForumMay 19, 2025 by Stephen DavidsoonIPR Review of Ballot SMC012: Introduce ACME 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.