Status Report on STIX2 & TAXII2 Updates

International Technical Standards for Threat Intelligence Sharing

STIX — the Structured Threat Information eXpression — is a language and serialization format used to exchange cyber threat intelligence (CTI). STIX enables organizations to share CTI with one another in a consistent and machine-readable manner, allowing security communities to better understand what computer-based attacks they are likely to see and to better prepare for and/or respond to those attacks faster and more effectively. STIX is designed to improve many different capabilities, such as collaborative threat analysis, automated threat exchange, automated detection and response, and more.

TAXII — the Trusted Automated Exchange of Intelligence Information — is an application layer protocol for the communication of CTI in a simple and scalable manner over HTTPS. TAXII enables organizations to share CTI by defining a standard API that aligns with common sharing models. TAXII is specifically designed to support the exchange of CTI represented in STIX.

The STIX and TAXII standards are governed by the OASIS Cyber Threat Intelligence Technical Committee (CTI TC). STIX and TAXII were created in 2012 under the auspices of the US Department of Homeland Security. In June of 2015, DHS licensed all of the intellectual property and trademarks associated with STIX and TAXII to OASIS, a nonprofit consortium that drives the development, convergence and adoption of open standards for the global information society. Since June of 2015, the CTI TC has been working to create the next generation of STIX and TAXII standards.

This is a slide deck presented by the Cyber Threat Intelligence Technical Committee Chairman, Richard Struse and the Co-Chairman of the Cyber Observables Subcommittee, Trey Darley at the recent FIRST Conference.*

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