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2022-05-10 Minutes of the Network Security Working Group

CA/Browser Forum NetSec Meeting

  • Attendance:
  • Adam Jones – Microsoft
  • Aaron P – Amazon
  • Ben Wilson – Mozilla
  • Bruce Morton – entrust
  • Brittany Randall – GoDaddy
  • Christopher Bonjean – GlobalSign
  • Corey Bonnell – DigiCert
  • Corey Rasmussen – OATI
  • Daryn Wright – GoDaddy
  • David Kluge – Google Trust Services
  • Dustin Hollenback – Microsoft
  • Iñigo Barreira – Sectigo
  • Jillian Karner – Let’s Encrypt
  • Joanna Fox – TrustCor
  • Jozef Nigut – Disig
  • Kiran Tummala – Microsoft
  • Marcelo Silva – Visa
  • Paul van Brouwershaven – Entrust
  • Rebecca Kelley – Apple
  • Roman Fischer – SwissSign
  • Ruben Annemans – GlobalSign
  • Tim Crawford – BDO
  • Tobias Josefowitz – Opera
  • Tony Seymour – Comsign
  • Trevoli Ponds – Amazon Trust Services

Minutes

1. Read Antitrust Statement

a. David Kluge Read the antitrust statement 2. Roll Call

a.David Kluge took attendance 3. Review Agenda

a. Approved minutes from previous meeting

b. Cloud Services Risk Assessment Effort

c. Zones Ballot/ Air Gap Offline (Ben Wilson)

4. Cloud Services Sub-Group Risk Assessment effort

a**. **Define risk scenarios of threat, and consider other scenarios that are not too far fetched, but proven to be productive. Will work through scenarios offline and then review them in the next meeting. Amazon has offered a guest to assist in the methodology and work through some of the examples that are given.

5. Ballots (Ben Wilson)

a. Previous work on two ballots. 1) Zone Ballot, 2) Offline or Gap Ballot that need more definitions to help clarify certain topics.

b. https://docs.google.com/document/d/1c4_4axIV34pXWsb0BBjGaI7NLJ-PQcq1/edit

c. Definitions and language was last updated awhile ago, and should there be a separate meeting, like a structure group, to update and bring ballots up to date.

d. Many participants were interested in assisting in this endeavor in a separate meeting. Ben offered to send out invites for those that asked to join.

e. Due to the meeting being brief, it was unanimous that the ballot definitions and language would be updated during this time, and complete the remainder at another time.

Latest releases
Server Certificate Requirements
SC095v3: Clean-up 2025 - Apr 2, 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
v1.0.14 - Ballot SMC016 - May 5, 2026

This ballot maintains consistency between the S/MIME Baseline Requirements and the TLS Baseline Requirements with changes introduced by Ballots SC096 and SC097. Specifically, this ballot: Creates a carve-out of the logging requirements for DNSSEC specifically, stating these are not in scope. For audit purposes, change management logging is able to confirm if the appropriate controls are in effect or not. Sunsets all remaining use of SHA-1 signatures in Certificates and CRLs. It is noted that most uses of SHA-1 signatures are already deprecated by SC097. With this ballot, all unexpired Subordinate CA Certificates issuing S/MIME containing the SHA-1 signature algorithm must be revoked. This proposal does not prohibit the use of SHA-1 to generate issuerKeyHash or issuerNameHash values as currently required by RFC 5019. Includes minor formatting corrections.

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025

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