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OpenSSF Technical Advisory Council (TAC)

The OpenSSF Technical Advisory Council is responsible for oversight of the various Technical Initiatives (TI) of the OpenSSF.

Get Involved

Although the TAC is composed of a set of official members listed below, any community member is welcome to participate in the TAC discussions.

Official communications occur on the TAC mailing list. Manage your subscriptions to Open SSF mailing lists.

Informal discussions occur in the TAC channel of the OpenSSF Slack. To join, use the following invite link.

Use GitHub Issues to request and discuss agenda items.

If you need support in any part of the process, please email operations@openssf.org.

Meetings

The TAC meetings minutes are online and appear on the OpenSSF Community Calendar.

Meetings are also recorded and posted to the OpenSSF YouTube channel.

TAC Members

Name	Position	Email	Organization	Term
Arnaud J Le Hors	Vice Chair	lehors@us.ibm.com	IBM	January 2024 - December 2025
Bob Callaway		bcallaway@google.com	Google	January 2024 - December 2024*
Dan Appelquist		dan@torgo.com	Samsung	January 2024 - December 2024
Michael Lieberman		mike@kusari.dev	Kusari	January 2024 - December 2024
Zach Steindler	Chair	steiza@github.com	GitHub	January 2024 - December 2024
Marcela Melara		marcela.melara@intel.com	Intel	January 2024 - December 2025
Sarah Evans		sarah.evans@dell.com	Dell	January 2024 - December 2024*
Jautau "Jay" White		jaywhite@microsoft.com	Microsoft	January 2024 - December 2025

NOTE: * marked entries denote OpenSSF Governing Board appointed members, others are community elected. There is currently 1 vacant Governing Board appointed seat.

Charter

The TAC is chartered as part of the Open Source Security Foundation Charter.

Technical Initiatives

The governance of TIs is documented in the process section. This section provides you with all the information about the different types of initiatives and how they are managed, as well as how to propose a new initiative. It also covers the different levels of maturity a TI can be in, the requirements that must be met to move up to the next level, as well as the benefits that come with each level.

The following Technical Initiatives have been approved by the TAC. You may learn more about their status through their quarterly reports.

Working Groups (WGs)

Name	Repository	Notes	Status
Vulnerability Disclosures	https://github.com/ossf/wg-vulnerability-disclosures	Meeting Notes	Graduated
Security Tooling	https://github.com/ossf/wg-security-tooling	Meeting Notes	Incubating
Security Best Practices	https://github.com/ossf/wg-best-practices-os-developers	Meeting Notes	Graduated
Securing Critical Projects	https://github.com/ossf/wg-securing-critical-projects	Meeting Notes	Incubating
Supply Chain Integrity	https://github.com/ossf/wg-supply-chain-integrity	Meeting Notes	Incubating
Securing Software Repositories	https://github.com/ossf/wg-securing-software-repos	Meeting Notes	Graduated
Diversity, Equity, & Inclusion	https://github.com/ossf/wg-dei	Meeting Notes	Incubating
AI/ML Security	https://github.com/ossf/ai-ml-security	Meeting Notes	Incubating

Projects

Name	Repository/Home Page	Notes	Sponsoring Org	Status
Best Practices Badge	https://github.com/coreinfrastructure/best-practices-badge	Mailing list	Best Practices WG	TBD
Bomctl	https://github.com/bomctl/bomctl	Meeting Notes	Security Tooling WG	Sandbox
Criticality Score	https://github.com/ossf/criticality_score	Meeting Notes	Securing Critical Projects WG	TBD
Fuzz Introspector	https://github.com/ossf/fuzz-introspector	Meeting Notes	Security Tooling WG	TBD
GUAC	https://guac.sh	Meeting Notes	Supply Chain Integrity WG	Incubating
gittuf	https://github.com/gittuf/gittuf	TBD	Supply Chain Integrity WG	Sandbox
OpenSSF Scorecard	https://github.com/ossf/scorecard	Meeting Notes	Best Practices WG	Incubating
OpenSSF Scorecard — Allstar	https://github.com/ossf/allstar	Meeting Notes	Best Practices WG
OpenVEX	https://github.com/openvex	Meeting Notes	Vulnerability Disclosures WG	Sandbox
OSV Schema	https://github.com/ossf/osv-schema	Meeting Notes	Vulnerability Disclosures WG	TBD
Minder	https://github.com/mindersec/minder	New project for inclusion	Security Tooling WG	Sandbox
Model signing	https://github.com/sigstore/model-transparency/blob/main/README.model_signing.md	Meeting Notes	AI/ML Security WG	Sandbox
Package Analysis	https://github.com/ossf/package-analysis	Meeting Notes	Securing Critical Projects WG	TBD
Package Feeds	https://github.com/ossf/package-feeds	Meeting Notes	Securing Critical Projects WG	TBD
Protobom	https://github.com/protobom/protobom	Meeting Notes	Security Tooling WG	Sandbox
Repository Service for TUF	https://github.com/repository-service-tuf/repository-service-tuf	Meeting Notes	Securing Software Repositories WG	Incubating
S2C2F	https://github.com/ossf/s2c2f	Meeting Notes	Supply Chain Integrity WG	Incubating
SBOMit	https://github.com/sbomit	Meeting Notes	Security Tooling WG	Sandbox
Security Insights Spec	https://github.com/ossf/security-insights-spec	Meeting Notes	Metrics & Metadata WG	TBD
Security Metrics	https://github.com/ossf/Project-Security-Metrics	Meeting Notes	Metrics & Metadata WG	Archived
Sigstore	https://github.com/sigstore	Meeting Notes	OpenSSF TAC	Graduated
SLSA	https://github.com/slsa-framework/slsa	Meeting Notes	Supply Chain Integrity WG	TBD
SLSA Tooling	https://github.com/ossf/wg-supply-chain-integrity/blob/main/slsa-tooling.md	Meeting Notes	Supply Chain Integrity WG	TBD
Zarf	https://github.com/defenseunicorns/zarf	Meeting Notes	Supply Chain Integrity WG	Sandbox

OpenSSF affiliated projects

Name	Repository	Notes	Status
Core Toolchain Infrastructure	https://git.coretoolchain.dev/	TBD	TBD
Alpha Omega	https://github.com/ossf/alpha-omega	TBD	TBD

Special Interest Groups (SIGs)

SIGs can be created and managed without formal approval from the TAC. The following is for information purpose only.

Name	Repository/Home Page	Governing Org	Notes	Status
CVD Guides	https://github.com/ossf/oss-vulnerability-guide	Vulnerability Disclosures WG	TBD	TBD
OpenVEX	https://github.com/ossf/OpenVEX	Vulnerability Disclosures WG	TBD	TBD
Education	https://github.com/ossf/education	Best Practices WG	TBD	TBD
Memory Safety	https://github.com/ossf/Memory-Safety	Best Practices WG	TBD	TBD
C/C++ Compiler Options	https://github.com/ossf/wg-best-practices-os-developers/tree/main/docs/Compiler-Hardening-Guides	Best Practices WG	TBD	TBD
Python Hardening	https://github.com/ossf/wg-best-practices-os-developers/tree/main/docs/Secure-Coding-Guide-for-Python	Best Practices WG	TBD	TBD
Security Baseline	https://github.com/ossf/security-baseline	Best Practices WG	TBD	TBD
SBOM Everywhere	https://github.com/ossf/sbom-everywhere	Security Tooling WG	TBD	TBD
OSS Fuzzing	https://github.com/ossf/wg-security-tooling?tab=readme-ov-file#oss-fuzzing-sig	Security Tooling WG	TBD	TBD

Overview Diagrams

Diagrams with an overview of the OpenSSF, including its projects and SIGs, are available in the presentation OpenSSF Introduction (including Diagrammers’ Society diagrams) as created and maintained by the OpenSSF Diagrammer's Society.

Antitrust Policy

Linux Foundation meetings involve participation by industry competitors, and it is the intention of the Linux Foundation to conduct all of its activities in accordance with applicable antitrust and competition laws. It is therefore extremely important that attendees adhere to meeting agendas, and be aware of, and not participate in, any activities that are prohibited under applicable US state, federal or foreign antitrust and competition laws.

Examples of types of actions that are prohibited at Linux Foundation meetings and in connection with Linux Foundation activities are described in the Linux Foundation Antitrust Policy available at http://www.linuxfoundation.org/antitrust-policy. If you have questions about these matters, please contact your company counsel, or if you are a member of the Linux Foundation, feel free to contact Andrew Updegrove of the firm of Gesmer Updegrove LLP, which provides legal counsel to the Linux Foundation.