STIX™ Version 2.1

A language for expressing cyber threat and observable information. This document defines concepts that apply across all of STIX and defines the overall structure of the STIX language.

Produced by:

OASIS Cyber Threat Intelligence (CTI) TC

Voting history:

June 2021

OASIS Standard:

Editable source
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Distribution ZIP file 

Cite as:

[STIX-v2.1]

STIX Version 2.1. Edited by Bret Jordan, Rich Piazza, and Trey Darley. 10 June 2021. OASIS Standard. https://docs.oasis-open.org/cti/stix/v2.1/os/stix-v2.1-os.html. Latest stage: https://docs.oasis-open.org/cti/stix/v2.1/stix-v2.1.html.