Cyber Observable eXpression

A Structured Language for Cyber Observables

CybOX Language — Version 2.1
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Use Cases

CybOX provides a common foundation for all cyber security use cases requiring the ability to deal with cyber observables. CybOX is flexible, and directly supports use case domain-specific standards and solutions by providing them with a unified and consistent foundational definition of cyber observables. For most use cases, the utilization of CybOX should be indirect with primary focus on the use case domain-specific standard or solution which leverages CybOX as an enabler.

CybOX adheres to the following principles for scoping of informational content:

  • Informational content regarding cyber observables is included in CybOX if it is of general use to multiple use cases and is not in conflict with any specific supported use cases.
  • Informational content regarding cyber observables that is specific to a single supported use case domain should be managed in a use case domain specific standard or solution that leverages CybOX for all general cyber observable informational content.

Flexible extension mechanisms are incorporated into CybOX to support this sort of use by use case domain-specific standards and solutions.

The following table lists a sampling of some of the current use cases targeted by CybOX and some of the primary CybOX-leveraging use case domain-specific standards and solutions available for each use case.

Supported Use Case Relevant Process Domain Specific Standard
Analyze event data from diverse set of sensors of different types and different vendors Event Management CybOX
Detect malicious activity utilizing attack patterns Attack Detection Common Attack Pattern Enumerationand Classification (CAPEC™)
Detect malicious activity utilizing malware behavior characterizations Attack Detection Malware Attribute Enumeration and Characterization (MAEC™)
Enable automated attack detection signature rule generation Attack Detection CybOX, MAEC, CAPEC, Structured Threat Information eXpression (STIX™)
Characterize malicious activity utilizing attack patterns Incident Response/Management CAPEC, STIX
Identify new attack patterns Threat Characterization CAPEC
Prioritize existing attack patterns based on tactical reality Security Testing and Secure Development CAPEC, STIX
Characterize malware behavior Malware Analysis MAEC
Guide malware analysis utilizing attack patterns Malware Analysis MAEC, CAPEC
Detect malware effects Attack Detection and Incident Response/Management Open Vulnerability and Assessment Language (OVAL®), MAEC, STIX
Enable collaborative attack indicator sharing Information Sharing  
Empower and guide incident management utilizing attack patterns and malware characterizations Incident Response/Management STIX, CAPEC, MAEC, CybOX
Enable consistent, useful and automation-capable incident alerts Incident Response/Management STIX, MAEC, CAPEC
Enable automatic application of mitigations specified in attack patterns Incident Response/Management STIX
Enable incident information sharing Incident Response/Management STIX
Support correlation between observed properties and malicious indicators as part of digital forensics Digital Forensics Digital Forensics XML (DFXML), STIX, MAEC, CAPEC
Capture digital forensics analysis results Digital Forensics DFXML
Capture digital forensics provenance information Digital Forensics DFXML
Enable collaborative sharing of digital forensics information Digital Forensics DFXML
Enable explicit and implicit sharing controls for cyber observable information Information Sharing STIX, CybOX, Trusted Automated eXchange of Indicator Information (TAXII™)
Enable new levels of meta-analysis onoperational cyber observables Cyber Situational Awareness CybOX, STIX
Page Last Updated: March 27, 2013