NIST.SP.800-161

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Special Publication 800-161 Supply Chain Risk Management Practices for Federal Information Systems and Organizations ________________________________________________________________________________________________________ Figure 1-1: Four Pillars of ICT SCRM 1.4.1 Federal Agencies ICT Supply Chain Federal agencies run complex information systems and networks to support their missions. These information systems and networks are composed of ICT products and components made available by ICT suppliers. Federal agencies also acquire and deploy an array of IT services, including those that: Integrate or provide operations, maintenance, and disposal support for federal information systems and networks within and outside of the federal agency authorization boundaries, 4 made available by system integrators; and Provide external services to support federal agency operations that are provided from both within or outside of the federal agency authorization boundaries, made available by external service providers. In addition to operating information systems and networks internally, organizations also host system development and integration activities within their authorization boundaries. Those activities may be performed by the agency themselves or by system integrators. The ICT supply chain infrastructure is the integrated set of components (hardware, software, and processes) within the organizational boundary that 4 NIST SP 800-53 Rev. 4 defines Authorization Boundary as: All components of an information system to be authorized for operation by an authorizing official and excludes separately authorized systems, to which the information system is connected.[NIST SP 800-53 Rev. 4, p. B-2] CHAPTER 1 PAGE 4
Special Publication 800-161 Supply Chain Risk Management Practices for Federal Information Systems and Organizations ________________________________________________________________________________________________________ composes the environment in which a system is developed or manufactured, tested, deployed, maintained, and retired/decommissioned. Figure 1-2 depicts a federal agency ICT supply chain that consists of multiple layers of system integrators, external service providers, and suppliers with respect to the scope of this publication and the drivers that influence activities described herein. The ICT supply chain infrastructure is the integrated set of components (hardware, software and processes) within the organizational boundary that composes the environment in which a system is developed or manufactured, tested, deployed, maintained, and retired/decommissioned. Depicted in Figure 1-2, organizations define which mission functions and information systems compose the ICT supply chain infrastructure, potentially including system integrator and external service provider support. An organization’s ICT supply chain infrastructure includes internal development, information, information systems, services, components, and processes to create, maintain, and retire an organization’s information systems. Examples include development environments, individuals who are working within the organization’s facilities, logistics/delivery environments that transport information systems and components, or applicable system and communications interfaces. These elements of the ICT supply chain infrastructure may be provided by the organization itself, system integrator, or external service provider. Inclusion in ICT supply chain infrastructure is defined by agreement documents for organization’s information systems between system integrator or external service provider or the organization. Figure 1-2: Federal Agency Relationships with System Integrators, Suppliers, and External Service Providers with Respect to the Scope of NIST SP 800-161. CHAPTER 1 PAGE 5
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NIST.SP.800-161

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