0.5.4 - MITRE ATT&CK TAXII 2.1 Support and Documentation Updates

This release marks the transition to full support for the MITRE ATT&CK TAXII 2.1 API and includes updates to documentation and tools.

Foundation for TAXII 2.1 Support

As announced in MITRE ATT&CK’s roadmap, the TAXII 2.0 server has been retired as of December 18, 2024. To ensure compatibility with the new TAXII 2.1 server, we have incorporated the following updates:

• Base URL: https://attack-taxii.mitre.org
• API Root Path: /api/v21/
• Adjustments to collection numbers for each matrix, ensuring alignment with the latest MITRE ATT&CK structures.

Impact

This release ensures:

• Full compatibility with the new MITRE ATT&CK TAXII 2.1 server.
• Up-to-date and accurate documentation examples for users.
• Improved workflows for exporting data to the MITRE ATT&CK Navigator.

What's Changed

• Updated all notebooks that do not export files by @Cyb3rWard0g in #86
• Update to STIX 2.1 by @legoguy1000 in #88
• Update Jupyter Notebooks and Enhance Navigator Export Function by @Cyb3rWard0g in #89

New Contributors

• @legoguy1000 made their first contribution in #88

Full Changelog: 0.4.4...0.5.4