CA/Browser Forum
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Because of their active involvement in various technical working groups outside the CA/Browser Forum, Members of the Forum have developed and published guidance on a variety of topics and have also collected links to helpful external resources and tools. The Resources area of this web site is where you can look for guidance on certificate use, including network and server configuration, browser capabilities, results of research and news about the industry.

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

S/MIME Requirements
v1.0.3 - Ballot SMC05 - Feb 20, 2024

Adding CAA.

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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).