Information systems security (INFOSEC)

Protection of information systems against unauthorized access to or modification of information, whether in storage, processing or transit, and against the denial of service to authorized users, including those measures necessary to detect, document, and counter such threats. The protection of information systems against unauthorized access to or modification of information, whether in storage, processing, or transit, and against the denialofservice to authorized users or the provision of service to unauthorized users, including those measures necessary to detect, document, and counter such threats.