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Standards and Frameworks Reference
MISP Standards
MISP Core Format
- MISP JSON Format: Native event format used for synchronization between instances
- MISP Galaxy: Cluster-based knowledge base linked to MITRE ATT&CK, threat actors, tools
- MISP Taxonomies: Machine-readable tagging schemes (TLP, PAP, admiralty-scale, OSINT)
- MISP Warninglists: Lists of well-known indicators to reduce false positives (Alexa Top 1M, Office 365 IPs)
STIX 2.1 (Structured Threat Information Expression)
- Standard language for representing cyber threat intelligence
- MISP supports import/export of STIX 2.1 bundles
- Object types: Indicator, Malware, Threat Actor, Attack Pattern, Campaign, Observed Data
- Relationship types: uses, targets, attributed-to, indicates, mitigates
TAXII 2.1 (Trusted Automated Exchange of Intelligence Information)
- Transport protocol for sharing CTI over HTTPS
- MISP can consume TAXII feeds and serve as a TAXII server
- Collection-based model: discovery, API root, collections, objects
- Supports pagination and filtering by added_after, type, version
MITRE ATT&CK Integration
- MISP Galaxy clusters map directly to ATT&CK techniques (T-codes)
- Events can be tagged with ATT&CK tactics: Initial Access, Execution, Persistence, etc.
- ATT&CK Navigator integration for visualizing technique coverage
- Sub-technique support (e.g., T1566.001 - Spearphishing Attachment)
Traffic Light Protocol (TLP)
- TLP:CLEAR (formerly TLP:WHITE): Unlimited disclosure
- TLP:GREEN: Limited disclosure within community
- TLP:AMBER: Limited disclosure within organization
- TLP:AMBER+STRICT: Restricted to organization only
- TLP:RED: Restricted to specific recipients only
Permissible Actions Protocol (PAP)
- PAP:RED: Only passive actions (no external lookups)
- PAP:AMBER: Active actions allowed but not against infrastructure
- PAP:GREEN: Active actions allowed
- PAP:CLEAR: Unlimited use