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Network Security Requirements

Network and Certificate System Security Requirements

On 3 August 2012 the CA/Browser Forum adopted the original Network and Certificate System Security Requirements with an effective date of 1 January 2013. Since then, the Network Security Requirements have outlined best practices for the general protection of CA networks and supporting systems, including those touching on trusted roles, delegated third parties, system accounts, logging, monitoring, alerting, vulnerability detection and patch management within a CA’s infrastructure.

Current Version

Network Security Controls v1.7 (redlined) (adopted with Ballot SC41)

Previous Versions

Network Security Controls v1.6 (redlined) (adopted with Ballot SC39)

CABForum_Network_Security_Controls_v.1.5 (redlined)(adopted with Ballot SC28)

CABForum_Network_Security_Controls_v.1.4 (redlined)(adopted with Ballot SC29)

CABForum_Network_Security_Controls_v.1.3 (redlined)(adopted with Ballot SC21)

CABForum_Network_Security_Controls_v.1.2 (redlined) (adopted with Ballot SC3)

CABForum_Network_Security_Controls_v.1.1 corrected (adopted with Ballot 210)

CABForum_Network_Security_Controls_v.1.1 corrected-redlined

Network_Security_Controls_V1 (adopted with Ballot 83)

Latest releases
Code Signing Requirements
v3.7 - Mar 4, 2024

S/MIME Requirements
v1.0.4 - Ballot SMC06 - May 11, 2024

Ballot SMC06: Post implementation clarification and corrections

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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).