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@opencybersecurityalliance

Open Cybersecurity Alliance

The Open Cybersecurity Alliance (OCA) fosters a cybersecurity ecosystem for exchanging information, orchestrated responses, etc. OCA is an OASIS Open Project.

Welcome to the Open Cybersecurity Alliance (OCA)

The Open Cybersecurity Alliance (OCA) is an OASIS Open Project, fostering an open cybersecurity ecosystem, where products from all vendors and software publishers can freely exchange information, insights, analytics, and orchestrated response, via commonly developed code and tooling, using mutually agreed upon technologies, data standards, and procedures.

For more information about OCA, visit our project website.

To learn more about how this Open Source project is governed, who our sponsors are, and who is serving on our Project Governing Board and Technical Steering Committee, check out the OASIS Open Project repository.

OCA sub-projects

OCA is an incubator for a growing number of Open Source projects. Check out our existing sub-projects:

Get involved!

Are you interested in learning more about OCA or would you like to contribute to our projects? Here are a few starting points:

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  1. oasis-open-project oasis-open-project Public

    Information relating to the governance of the Open Cybersecurity Alliance (OCA) OASIS Open Project. https://github.com/opencybersecurityalliance

    29 8

  2. stix-shifter stix-shifter Public

    This project consists of an open source library allowing software to connect to data repositories using STIX Patterning, and return results as STIX Observations.

    Python 261 229

  3. kestrel-lang kestrel-lang Public

    Kestrel threat hunting language: building reusable, composable, and shareable huntflows across different data sources and threat intel.

    Python 324 52

  4. kestrel-huntbook kestrel-huntbook Public

    This repository hosts community contributed Kestrel huntflows (.hf) and huntbooks (.ipynb)

    Jupyter Notebook 37 11

  5. PACE PACE Public

    Posture Attribute Collection and Evaluation

    23 5

  6. oca-iob oca-iob Public

    Augmentation to Machine Readable CTI

    Python 37 9

Repositories

Showing 10 of 27 repositories
  • oasis-open-project Public

    Information relating to the governance of the Open Cybersecurity Alliance (OCA) OASIS Open Project. https://github.com/opencybersecurityalliance

    opencybersecurityalliance/oasis-open-project’s past year of commit activity
    29 8 1 4 Updated Feb 23, 2026
  • stix-shifter Public

    This project consists of an open source library allowing software to connect to data repositories using STIX Patterning, and return results as STIX Observations.

    opencybersecurityalliance/stix-shifter’s past year of commit activity
    Python 261 229 30 12 Updated Feb 20, 2026
  • oca-iob Public

    Augmentation to Machine Readable CTI

    opencybersecurityalliance/oca-iob’s past year of commit activity
    Python 37 9 0 0 Updated Sep 9, 2025
  • opencybersecurityalliance/stix-extensions’s past year of commit activity
    12 CC-BY-4.0 8 6 2 Updated Sep 8, 2025
  • cacao-roaster Public

    A web application for generating, parsing and validating, manipulating, visualizing and executing CACAO v2.0 playbooks.

    opencybersecurityalliance/cacao-roaster’s past year of commit activity
    TypeScript 39 13 18 (1 issue needs help) 2 Updated Aug 27, 2025
  • casp Public
    opencybersecurityalliance/casp’s past year of commit activity
    Jupyter Notebook 19 15 2 0 Updated Jul 28, 2025
  • opencybersecurityalliance/interoperability-village’s past year of commit activity
    Shell 0 1 1 1 Updated Jul 25, 2025
  • .github Public
    opencybersecurityalliance/.github’s past year of commit activity
    0 2 0 1 Updated Jul 14, 2025
  • meshroom Public

    The Cybersecurity Mesh Assistant - A command-line tool to build and manage Cybersecurity Mesh Architectures (CSMA), initiated by the OXA project

    opencybersecurityalliance/meshroom’s past year of commit activity
    Python 3 Apache-2.0 1 0 0 Updated Apr 3, 2025
  • oxa Public

    OXA - Open XDR architecture

    opencybersecurityalliance/oxa’s past year of commit activity
    12 3 0 0 Updated Apr 1, 2025

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