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2022-05-24 Minutes of the Network Security Working Group

CA/Browser Forum NetSec Meeting

Attendance

  • Aaron Poulsen – Amazon
  • Antti Backman – Telia
  • Ben Wilson – Mozilla
  • Bruce Morton – entrust
  • Christopher Bonjean – GlobalSign
  • Clint Wilson – Apple
  • Corey Bonnell – DigiCert
  • Corey Rasmussen – OATI
  • Daryn Wright – GoDaddy
  • Dustin Hollenback – Microsoft
  • Iñigo Barreira – Sectigo
  • Janet Hines – SecureTrust
  • Jillian Karner – Let’s Encrypt
  • Jozef Nigut – Disig
  • Marcelo Silva – Visa
  • Paul van Brouwershaven – Entrust
  • Prachi Jain – Fastly
  • Rebecca Kelley – Apple
  • Roman Fischer – SwissSign
  • Ruben Annemans – GlobalSign
  • Tim Hollebeek – DigiCert
  • Trevoli Ponds – Amazon Trust Services

Minutes

1. Read Antitrust Statement

a**. **Clint Wilson read the antitrust statement

2. Roll Call

a**. **Clint Wilson took attendance

3. Minutes approved for last NetSec Meeting

4. Agenda

a. ****Further discussion on Risk Assessment from the Cloud Services Sub-Group

**1. **Briefed guest speaker meeting and what advice was given

i. Discussed threat models and what defines a threat. Be more precise.

ii. Possibly look at breaking down the larger parts of the assessment

iii. Look at OCSP responders

  1. Next Task: Write a narrative to describe the system, and the system design to give the reader a complete understanding.

b. Ben Wilson Updates

a. Holding separate call to continue work on the documents that focus around zones, offline CAs, and terminology used in the NetSec Requirements. Will schedule later.

b. Continued work on terms for remaining time of NetSec Meeting

c. F2F agenda for NetSec

** **a. Write Risk Assessment narrative

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).