– User authentication is divided into three tasks:               a. Identification: users prove their identity               b. Authentication: users prove they are who they claim to be               c. Authorization: users prove they have the authority on what they are willing to execute- Private data handling:               a. Right of an individual to have control over their personal data               b. Procedures for proper handling, processing, collecting, and sharing of personal data               c. Compliance with data protection laws- Security of communications:               a. Cryptographic Security: technically correct cryptosystems and their proper use               b. Emissions Security: deny unauthorized persons valuable data               c. Transmission Security: protection of data transmission               d. Physical Security: physical measures to protect classified equipment