ISO/IEC/IEEE International Standard - Systems and software engineering--Systems and software assurance -- Part 4: Assurance in the life cycle

This document provides guidance and recommendations for assurance of a selected claim about the system-of-interest by achieving the claim and showing the achievement. The guidance and recommendations are given in a System Assurance process view on top of ISO/IEC/IEEE 15288 and a Software Assurance process view on top of ISO/IEC/IEEE 12207.