STIX(TM) 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
STIX™ Version 2.1. Edited by Bret Jordan, Rich Piazza, and Trey Darley. 20 March 2020. OASIS Committee Specification 01. https://docs.oasis-open.org/cti/stix/v2.1/cs01/stix-v2.1-cs01.html. Latest stage: https://docs.oasis-open.org/cti/stix/v2.1/stix-v2.1.html.