BS PD CEN ISO/TS 17574:2017 provides guidelines for preparation and evaluation of security requirementsspecifications, referred to as Protection Profiles (PP) in ISO/IEC 15408 (all parts) and inISO/IEC TR 15446.By Protection Profile (PP), it means a set of security requirements for a category of products or systemsthat meet specific needs. A typical example would be a PP for On-Board Equipment (OBE) to be used inan EFC system. However, the guidelines in this document are superseded if a Protection Profile alreadyexists for the subsystem in consideration.The target of evaluation (TOE) for EFC is limited to EFC specific roles and interfaces as shown inFigure 1. Since the existing financial security standards and criteria are applicable to other externalroles and interfaces, they are assumed to be outside the scope of TOE for EFC.Cross References:ISO 14906:2011/Amd1:2015ISO 16609ISO 17573:2010ISO 17575-1ISO 17575-2ISO 17575-3ISO/IEC 9797-1ISO/IEC 9798-4 ISO/IEC 10118ISO/IEC 15408-1:2009ISO/IEC 15408-2ISO/IEC 15408-3:2008ISO/IEC TR 15446ISO/TS 19299:2015CEN/TS 16702-1CEN/TS 16702-2