□ [ISO/IEC 27002:2000]

Preservation of confidentiality, integrity and availability of information.

保持信息的保密性、完整性和可用性。

□ [ISO/IEC27002:2005]

Preservation of confidentiality, integrity and availability of information; in addition, other properties, such as authenticity, accountability, non-repudiation and reliability can also be involved.

保持信息的保密性、完整性和可用性；另外，还包括真实性、可核查性、抗抵赖和可靠性。