implementing-stix-taxii-feed-integration

# Implementing STIX/TAXII Feed Integration ## Overview STIX (Structured Threat Information eXpression) and TAXII (Trusted Automated eXchange of Intelligence Information) are OASIS open standards for representing and transporting cyber threat intelligence. This skill covers implementing a STIX/TAXII 2.1 feed consumer and producer using Python, configuring TAXII server discovery, collection management, polling for new intelligence, parsing STIX 2.1 objects, and integrating feeds into SIEM and TIP platforms. ## When to Use - When deploying or configuring implementing stix taxii feed integration capabilities in your environment - When establishing security controls aligned to compliance requirements - When building or improving security architecture for this domain - When conducting security assessments that require this implementation ## Prerequisites - Python 3.9+ with `taxii2-client`, `stix2`, `cti-taxii-client` libraries - Understanding of STIX 2.1 data model (SDOs, SCOs, SROs) - Understanding of TAXII 2.1 protocol (discovery, API roots, collections) - Network access to TAXII servers (MITRE ATT&CK TAXII, Anomali STAXX) - Optional: medallion for running a local TAXII 2.1 server ## Key Concepts ### TAXII 2.1 Architecture TAXII defines a RESTful API with three service types: - **Discovery**: Returns information about available API roots - **API Root**: Contains collections and serves as the main interaction point - **Collection**: A logical grouping of STIX objects acc...