Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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metadata

Abbreviation(s) and Synonym(s):

None

Definition(s):

  Information describing the characteristics of data including, for example, structural metadata describing data structures (e.g., data format, syntax, and semantics) and descriptive metadata describing data contents (e.g., information security labels).
Source(s):
CNSSI 4009-2015 (NIST SP 800-53 Rev. 4)
NIST SP 800-150 under Metadata (NIST SP 800-53 Rev. 4)
NIST SP 800-53 Rev. 4 under Metadata

  Information used to describe specific characteristics, constraints, acceptable uses and parameters of another data item (e.g., a cryptographic key).
Source(s):
NIST SP 800-57 Part 1 Rev. 3 under Metadata [Superseded]
NIST SP 800-57 Part 1 Rev. 4 under Metadata

  Data about data. For filesystems, metadata is data that provides information about a file’s contents.
Source(s):
NIST SP 800-86 under Metadata