Companies today understand the need to ensure confidentiality of sensitive information processed by, stored in, and moved through information systems and applications belonging to it. To ensure that data is not manipulated, steps are being initiated to ensure the integrity of information by information technology security specialists.

Decisions and actions that are taken based upon data movement should be made with the assurance that the information has not been manipulated. Information should also not subject to repudiation. The source of all changes to data should be determined as best as possible.