This website presents the application ontology of the Linux Foundation's Cyber Domain Ontology project. This ontology is heavily informed by the concepts expressed in STIX 2.x. while enabling semantic interoperability with the family of Cyber Domain Project ontologies.

New to CTI-CDO and Ontologies? Here's Your Starting Point

Get into the 1's and 0's right now.

We are always looking for more contributors and adopters.

Express & Exchange

This site is a work in progress as CTI-CDO is currently being formally announced.
This site is not to be used as a reference yet.