The highest level issuer of authorization certificates in an organization.
Note: Authorized signatories are designated in a signatory certificate, which is issued to an organization by an agreed signatory authority. [After X9.45]

In security, a user who may, according to an organization's security policy, perform an operation. [After CC-99]

In e-mail systems, a message sent automatically upon receipt of incoming e-mail.
Note: Auto-replies are used to acknowledge delivery of e-mail and to provide receipts for e-mail messages.

Acronym for automatic digital network. See Defense Data Network.

Synonym machine-readable medium.

1. An assembly of computer hardware, software, firmware, or any combination of these, configured to accomplish specific information-handling operations, such as communication, computation, dissemination, processing, and storage of information.
2. [In INFOSEC,] any equipment or interconnected system or subsystems of equipment that is used in the automatic acquisition, storage, manipulation, management, movement, control, display, switching, interchange, transmission or reception of… (Read More →)

1. Measures and controls that ensure confidentiality, integrity, and availability of the information processed and stored by automated information systems.
Note 1: The unauthorized disclosure, modification, or destruction may be accidental or intentional.
Note 2: Automated information systems security includes consideration of all hardware and software functions, characteristics and features; operational procedures; accountability procedures; and access controls at the central… (Read More →)

An automatic, integrated and interconnected maritime communications system serving ship stations on specified inland and coastal waters of the United States. [47CFR]

A radio that can be automatically controlled by electronic devices and that requires little or no human intervention.

Use of automated procedures to ensure security controls are not circumvented or the use of these tools to track actions taken by subjects suspected of misusing the information system (IS). [INFOSEC-99]