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Subject: Invitation to comment on STIXâ V2.1 and TAXIIâ V2.1 before Call for Consent as OASIS Standard - ends April 23rd


The specifications, defining a free, open language for describing and exchanging cyber threat intelligence, enters the 60-day public review that precedes the call for consent as an OASIS Standard.

OASIS members and other interested parties,

OASIS and the Cyber Threat Intelligence (CTI) TC [1] are pleased to announce that STIXâ Version 2.1 and TAXIIâ Version 2.1 are now available for public review and comment. General information about these public reviews and the events leading up to them can be found in http://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02-public-review-metadata.html and http://docs.oasis-open.org/cti/taxii/v2.1/cs01/taxii-v2.1-cs01-public-review-metadata.html.

Structured Threat Information _expression_ (STIX) is a language and serialization format used to exchange cyber threat intelligence. STIX enables organizations and tools to share threat intelligence with one another in a way that improves many different capabilities, such as collaborative threat analysis, automated threat exchange, automated detection and response, and more.

The TC received 3 Statements of Use from Accenture Security, Fujitsu, and New Context [2].

TAXII is an application layer protocol for the communication of cyber threat information in a simple and scalable manner. it is specifically designed to support the exchange of CTI represented in STIX, but is not limited to STIX.

The TC received 5 Statements of Use from Fujitsu, Celerium, LookingGlass Cyber Solutions, Cyware Labs, and FreeTAXII [3]
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The candidate specifications and related files are available here:

STIXâ Version 2.1
Committee Specification 02
25 January 2021

Editorial source (Authoritative):
https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.docx

HTML:
https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.html

PDF:
https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.pdf

TAXIIâ Version 2.1
Committee Specification 01
27 January 2020

Editorial source (Authoritative):
https://docs.oasis-open.org/cti/taxii/v2.1/cs01/taxii-v2.1-cs01.docx

HTML:
https://docs.oasis-open.org/cti/taxii/v2.1/cs01/taxii-v2.1-cs01.html

PDF:
https://docs.oasis-open.org/cti/taxii/v2.1/cs01/taxii-v2.1-cs01.pdf

For your convenience, OASIS provides a complete package of the specification document and any related files in ZIP distribution files. You can download the ZIP file at:

STIX: https://docs.oasis-open.org/cti/stix/v2.1/cs02/stix-v2.1-cs02.zip

TAXII:
https://docs.oasis-open.org/cti/taxii/v2.1/cs01/taxii-v2.1-cs01.zip
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Public Review Period

The 60-day public reviews start 23 February 2021 at 00:00 UTC and end 23 April 2021 at 23:59 UTC.

This is an open invitation to comment. OASIS solicts feedback from potential users, developers and others, whether OASIS members or not, for the sake of improving the interoperability and quality of its technical work.

Comments may be submitted to the TC by any person through the use of the OASIS TC Comment Facility as explained in the instructions located via the button labeled "Send A Comment" at the top of the TC public home page, or directly at:

https://www.oasis-open.org/committees/comments/index.php?wg_abbrev=cti

Comments submitted by TC non-members for this work and for other work of this TC are publicly archived and can be viewed at:

http://lists.oasis-open.org/archives/cti-comment/

All comments submitted to OASIS are subject to the OASIS Feedback License, which ensures that the feedback you provide carries the same obligations at least as the obligations of the TC members. In connection with these public reviews of âSTIX V2.1" and "TAXII V2.1," we call your attention to the OASIS IPR Policy [4] applicable especially [5] to the work of this technical committee. All members of the TC should be familiar with this document, which may create obligations regarding the disclosure and availability of a member's patent, copyright, trademark and license rights that read on an approved OASIS specification.

OASIS invites any persons who know of any such claims to disclose these if they may be essential to the implementation of the above specification, so that notice of them may be posted to the notice page for this TC's work.

Additional information

[1] OASIS Cyber Threat Intelligence (CTI) TC
https://www.oasis-open.org/committees/cti/

[2] STIX statements of use

- Accenture Security:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202102/msg00006.html

- Fujitsu:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202102/msg00005.html

- New Context:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202101/msg00027.html

[3] TAXII statements of use

- Fujitsu:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202102/msg00005.html

- Celerium:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202007/msg00002.html

- LookingGlass Cyber Solutions:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202006/msg00019.html

- Cyware Labs:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202007/msg00033.html

- FreeTAXII:
https://www.oasis-open.org/apps/org/workgroup/cti/email/archives/202101/msg00028.html

[4] http://www.oasis-open.org/policies-guidelines/ipr

[5] http://www.oasis-open.org/committees/cti/ipr.php
https://www.oasis-open.org/policies-guidelines/ipr#Non-Assertion-Mode
Non-Assertion Mode

--

ChetÂEnsign

Chief Technical Community Steward

OASIS Open

ÂÂÂ
+1 201-341-1393
chet.ensign@oasis-open.org
www.oasis-open.org


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