(GB/Z20986-2007 Information Security Technology Information Security Matters Classification and Grading Guidelines National Standard (GB) GB/Z20986-2007 This technical guidance document provides guidance for the classification and grading of information security matters, and is used for the prevention and handling of information security matters. Pre-event preparation, in-event response, and post-event management provide a basic guide that can be used by information systems and basic information transmission network operators and users, as well as information security authorities.)
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