| Résumé: | The field of privacy engineering proposes a methodological framework for designing privacy-protecting information systems. Recognising that the utilisation of privacy-enhancing techniques for data storage and analysis does not address the entire scope of individual privacy, privacy engineering incorporates influences from user sentiment, legal norms and risk analysis in order to provide a holistic approach. Framed by related design principles, such as 'Privacy-by-Design', privacy engineering purports to provide a practical, deployable set of methods by which to achieve such a holistic outcome. Yet, despite this aim, there have been difficulties in adequately articulating the value proposition of privacy engineering. Without being able to adequately define privacy or map its contours, any proposed methodology or framework will be difficult to implement in practice, if not self-defeating. This paper identifies and examines the assumptions that underpin privacy engineering, linking them to shortcomings and open questions. Further, we explore possible research avenues that may give rise to alternative frameworks.
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