TAXII™ Version 2.1

An application layer protocol for the communication of cyber threat information in a simple and scalable manner. This specification defines the TAXII RESTful API and its resources along with the requirements for TAXII Client and Server implementations.

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:

[TAXII-v2.1]

TAXII™ Version 2.1. Edited by Bret Jordan and Drew Varner. 10 June 2021. OASIS Standard. https://docs.oasis-open.org/cti/taxii/v2.1/os/taxii-v2.1-os.html. Latest stage: https://docs.oasis-open.org/cti/taxii/v2.1/taxii-v2.1.html.