The font is used for writing UML objects. Courier New Examples: RelatedIndicatorsType, stixCommon:StatementType Note that all high level concepts have a corresponding UML object. For example, the Course of Action high level concept is associated with a UML class named, CourseOfActionType. The font (with single quotes) is used for noting actual, explicit values for STIX Language ‘italic’ properties. The italic font (without quotes) is used for noting example values. Example: high, medium, low ‘PackageIntentVocab-1.0,’ Terminology The key words NOT”, NOT”, “MUST”, “MUST “REQUIRED”, “SHALL”, “SHALL “SHOULD”, “SHOULD NOT”, and in this document are to be interpreted as described “RECOMMENDED”, “MAY”, “OPTIONAL” in [RFC2119]. Normative References [RFC2119] Bradner, S., words for use in RFCs to Indicate Requirement Levels”, BCP “Key 14, RFC 2119, March 1997. . Non-Normative References [GitHub-IO] STIX Structured Threat Information Expression | STIX Project Documentation. – (n.d.). The MITRE Corporation. [Online]. Available: . Accessed Aug. 23, 2015. [STIX-W] Barnum, S., Cyber Threat Intelligence with the Structured Threat “Standardizing Information eXpression (STIXTM),” The MITRE Corporation, Bedford MA, Feb. 20, 2014. [Online]. Available: . [UML-2.4.1] Documents associated with Unified Modeling Language (UML), V2.4.1. (Aug. 2011). The Object Management Group (OMG). [Online]. Available: . [XMI] Documents associated with XMI Version 2.1. (September 2005). The Object Management Group (OMG). [Online]. Available: [PNG] Portable Network Graphics (PNG) Specification (November 2003). The World Wide Web Consortium (W3C). [Online]. Available:
The Courier New font is used for writing UML objects. Examples: RelatedIndicatorsType, stixCommon:StatementType Note that all high level concepts have a corresponding UML object. For example, the Course of Action high level concept is associated with a UML class named, CourseOfActionType. The ‘italic’ font (with single quotes) is used for noting actual, explicit values for STIX Language properties. The italic font (without quotes) is used for noting example values. Example: ‘PackageIntentVocab-1.0,’ high, medium, low Terminology The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in [RFC2119]. Normative References [RFC2119] Bradner, S., “Key words for use in RFCs to Indicate Requirement Levels”, BCP 14, RFC 2119, March 1997. . Non-Normative References [GitHub-IO] STIX – Structured Threat Information Expression | STIX Project Documentation. (n.d.). The MITRE Corporation. [Online]. Available: . Accessed Aug. 23, 2015. [STIX-W] Barnum, S., “Standardizing Cyber Threat Intelligence with the Structured Threat Information eXpression (STIXTM),” The MITRE Corporation, Bedford MA, Feb. 20, 2014. [Online]. Available: . [UML-2.4.1] Documents associated with Unified Modeling Language (UML), V2.4.1. (Aug. 2011). The Object Management Group (OMG). [Online]. Available: . [XMI] Documents associated with XMI Version 2.1. (September 2005). The Object Management Group (OMG). [Online]. Available: [PNG] Portable Network Graphics (PNG) Specification (November 2003). The World Wide Web Consortium (W3C). [Online]. Available: