Es un nivel, dentro de la escala Básica-Media-Alta, con el que se adjetiva un sistema a fin de seleccionar las medidas de seguridad necesarias para el mismo. La categoría del sistema recoge la visión holística del conjunto de activos como un todo armónico, orientado a la prestación de unos servicios. [ENS:2010]

The characterization of information or an information system based on an assessment of the potential impact that a loss of confidentiality, integrity, or availability of such information or information system would have on organizational operations, organizational assets, individuals, other organizations, and the Nation.[FIPS 199, Adapted] [NIST-SP800-53:2013]

The process of determining the security category for information or an information system. See Security Category. [NIST-SP800-53:2013]

The characterization of information or an information system based on an assessment of the potential impact that a loss of confidentiality, integrity, or availability of such information or information system would have on organizational operations, organizational assets, individuals, other organizations, and the Nation. [CNSSI_4009:2010]