Shamal Faily , Simon Parkin , John Lyle
September 2012
The 26th BCS Conference on Human Computer Interaction (HCI)
Human Computer Interaction
12 - 14 September 2012
Risk–driven approaches are dominant in secure systems design; these aim to elicit and treat vulnerabilities and the threats exploiting them. Such approaches, however, are so focused on driving risks out of system design, they fail to recognise the usefulness of failure as a vehicle for security innovation. To explore the role of failure as a design tool, we present the security premortem: a participative design technique where participants assume that a system has been exploited, and plausible reasons are given for explaining why. We describe this approach and illustrate how software tools can be used to support it.
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