Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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data provenance


  In the context of computers and law enforcement use, it is an equivalent term to chain of custody. It involves the method of generation, transmission and storage of information that may be used to trace the origin of a piece of information processed by community resources.
CNSSI 4009-2015 from ISA SSA - Adapted