The degree to which data has attributes that ensure that it is only accessible and interpretable by authorized users in a specific context of use. Confidentiality is an aspect of information security (together with availability, integrity) as defined in ISO/IEC 13335-1:2004.
The degree to which data has attributes that can be processed and provide the expected levels of performance by using the appropriate amounts and types of resources in a specific context of use.
The degree to which data has attributes that are exact or that provide discrimination in a specific context of use.
The degree to which data has attributes that provide an audit trail of access to the data and of any changes made to the data in a specific context of use.
The degree to which data has attributes that enable it to be read and interpreted by users, and are expressed in appropriate languages, symbols and units in a specific context of use.
Some information about data understandability are provided by metadata.
