NSA worked closely with users to determine their security needs. NSA also worked with industry so the products developed would be based on common standards and interoperable with commercially available products. Each product release will increase the security protections available to users, but will still be compatible with preceding releases. These products, when combined, will provide security for computer applications such as e-mail systems, file transfer activities, database operations and remote logins. In fact, all electronic messaging within DoD will have to migrate to DMS-compliant messaging.
Data integrity is the assurance that no changes have been made to information that has been sent.
Users can be confident that data sent is the same data that is received, that no unauthorized modifications have been made. User identification and authentication. Authentication services verify the identity of the creator or originator of a message. The recipient of the message can be certain that the sender is the named originator and not some impostor or other fraudulent entity. Non-repudiation services provide undeniable proof of the identities of both the originator and the recipient of a message.