Sadie Creese

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The threat that insiders pose to businesses, institutions and governmental organisations continues to be of serious concern. Recent industry surveys and academic literature provide unequivocal evidence to support the significance of this threat and its prevalence. Despite this, however, there is still no unifying framework to fully characterise insider(More)
Usability is arguably one of the most significant social topics and issues within the field of cybersecurity today. Supported by the need for confidentiality, integrity, availability and other concerns, security features have become standard components of the digital environment which pervade our lives requiring use by novices and experts alike. As security(More)
Key management is fundamental to communications security, and for security in pervasive computing sound key management is particularly difficult. However, sound key management itself depends critically on sound authentication. In this paper we review current notions of entity authentication and discuss why we believe these notions are unsuitable for the(More)
This paper proposes a conceptual model for privacy policies that takes into account privacy requirements arising from different stakeholders, with legal, business and technical backgrounds. Current approaches to privacy management are either high-level, enforcing privacy of personal data using legal compliance, risk and impact assessments, or low-level,(More)
The computer-security industry is familiar with the concept of a Malicious Insider. However, a malicious insider in the cloud might have access to an unprecedented amount of information and on a much greater scale. Given the level of threat posed by insiders, and the rapid growth of the cloud computing ecosystem, we examine here the concept of insider(More)
The Internet-of-Things (IoT) is set to be one of the most disruptive technology paradigms since the advent of the Internet itself. Market research company Gartner estimates that around 4.9 billion connected things will be in use in 2015, and around 25 billion by 2020. While there are substantial opportunities accompanying IoT, spanning from Healthcare to(More)