| Field Name | Type | Description | 
|---|---|---|
| Type0..1 | AssetTypeType | The Type field is optional and specifies the type of the asset impacted by the incident (a security attribute was negatively affected). | 
| Description0..n | StructuredTextType | The Description field is optional and provides an unstructured, text description of the asset. | 
| Business_Function_Or_Role0..n | StructuredTextType | The Business_Function_Or_Role field is optional and provides a brief description of the asset's role, mission, and importance within the organization. | 
| Ownership_Class0..1 | ControlledVocabularyStringType | The Ownership_Class field is optional and gives a high-level characterization of who owns (or controls) this asset (e.g. Internally-owned, Employee-owned, Partner-owned, Customer-owned). This field is implemented through the xsi:type controlled vocabulary extension mechanism. The default vocabulary type is OwnershipClassVocab-1.0 in the http://stix.mitre.org/default_vocabularies-1 namespace. This type is defined in the stix_default_vocabularies.xsd file or at the URL http://stix.mitre.org/XMLSchema/default_vocabularies/1.2.0/stix_default_vocabularies.xsd. Users may also define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a string field. | 
| Management_Class0..1 | ControlledVocabularyStringType | The Management_Class field is optional and gives a high-level characterization of who is responsible for the day-to-day management and administration of this asset (e.g. Managed Internally, Managed by External Party, Co-managed). This field is implemented through the xsi:type controlled vocabulary extension mechanism. The default vocabulary type is ManagementClassVocab-1.0 in the http://stix.mitre.org/default_vocabularies-1 namespace. This type is defined in the stix_default_vocabularies.xsd file or at the URL http://stix.mitre.org/XMLSchema/default_vocabularies/1.2.0/stix_default_vocabularies.xsd. Users may also define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a string field. | 
| Location_Class0..1 | ControlledVocabularyStringType | The Location_Class field is optional and gives a high-level characterization of where this asset is physically located (e.g. Internal location, External location, Co-located, Mobile). This field is implemented through the xsi:type controlled vocabulary extension mechanism. The default vocabulary type is LocationClassVocab-1.0 in the http://stix.mitre.org/default_vocabularies-1 namespace. This type is defined in the stix_default_vocabularies.xsd file or at the URL http://stix.mitre.org/XMLSchema/default_vocabularies/1.2.0/stix_default_vocabularies.xsd. Users may also define their own vocabulary using the type extension mechanism, specify a vocabulary name and reference using the attributes, or simply use this as a string field. | 
| Location0..1 | AddressAbstractType | The Location field specifies the physical location of the affected asset. This field is implemented through the xsi:type extension mechanism. The default type is CIQAddressInstanceType in the http://stix.mitre.org/extensions/Identity#CIQAddress-1 namespace. This type is defined in the extensions/address/ciq_3.0_address.xsd file or at the URL http://stix.mitre.org/XMLSchema/extensions/address/ciq/1.1/ciq_3.0_address.xsd. Those who wish to express a simple name may also do so by not specifying an xsi:type and using the Name field. | 
| Nature_Of_Security_Effect0..1 | NatureOfSecurityEffectType | The Nature_Of_Security_Effect field is optional and characterizes how the security properties of the Asset were affected. | 
| Structured_Description0..1 | ObservablesType | The Structured_Description field is optional and provides a structured description of the asset. |