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A new assurance concept for new upcoming COTS-based computing platforms have to be based on a framework that allows to respond to various assurance challenges of different types of COTS hardware technologies. Therefore, we propose to use the generic assurance approach of the Overarching Properties, currently under research, together with assurance case as a tool to get the needed flexibility in the way to argument that the COTS assurance objectives are met. Indeed, to achieve this, it is necessary to develop a concept about COTS assurance in general which is realizable with an assurance case-based Overarching Property approach. This we have already provided in [1]. In this paper we have refined our work to integrate COTS technology specific assurance objectives and explained how their demonstration can be made within this new assurance concept in a coherent way. © 2019 IEEE.