This document provides guidance for product and service acquirers, as well as suppliers of hardware, software and services, regarding:

a)？gaining visibility into and managing the information security risks caused by physically dispersed and multi-layered hardware, software, and services supply chains;

b)？responding to risks stemming from this physically dispersed and multi-layered hardware, software, and services supply chain that can have an information security impact on the organizations using these products and services;

c)？integrating information security processes and practices into the system and software life cycle processes, as described in ISO/IEC/IEEE 15288 and ISO/IEC/IEEE？12207, while supporting information security controls, as described in ISO/IEC？27002.

This document does not include business continuity management/resiliency issues involved with the hardware, software, and services supply chain. ISO/IEC 27031 addresses information and communication technology readiness for business continuity.