Security Categorization

The process of determining the security category for information or an information system. See Security Category.
SOURCE: SP 800-53

The process of determining the security category for information or an information system. Security categorization methodologies are described in CNSS Instruction 1253 for national security systems and in FIPS 199 for other than national security systems.
SOURCE: SP 800-37; SP 800-53A; SP 800-39