The Threat Agent Library The TAL Ontology The Threat Agent Library is a contribution from Intel Corp. It is an extension of the TAC Ontology. As stated before: STIX 2.1 Standard Specification is extended by the STIX Ontology (stix.owl) STIX Ontology is extended by the TAC Ontology (tac.owl) TAC Ontology is extended by the TAL Ontology (ta-library.owl)
