DoDI 5200.44 保护关键任务功能以实现可信系统和网络（TSN）.pdf

Department of Defense INSTRUCTION NUMBER 5200.44 November 5,2012 Incorporating Change 3,October 15,2018 DoD CIO/USD(R&E)SUBJECT:Protection of Mission Critical Functions to Achieve Trusted Systems and Networks(TSN)References:See Enclosure 1 1.PURPOSE.This Instruction,in accordance with the authorities in DoD Directive(DoDD)5134.01(Reference(a)and DoDD 5144.02(Reference(b):a.Establishes policy and assigns responsibilities to minimize the risk that DoDs warfighting mission capability will be impaired due to vulnerabilities in system design or sabotage or subversion of a systems mission critical functions or critical components,as defined in this Instruction,by foreign intelligence,terrorists,or other hostile elements.b.Implements the DoDs TSN strategy,described in the Report on Trusted Defense Systems(Reference(c)as the Strategy for Systems Assurance and Trustworthiness,through Program Protection and cybersecurity implementation to provide uncompromised weapons and information systems.The TSN strategy integrates robust systems engineering,supply chain risk management(SCRM),security,counterintelligence,intelligence,cybersecurity,hardware and software assurance,and information systems s