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July 14, 2016 (11 months, 2 weeks ago)

The SensorCloud Protocol: Securely Outsourcing Sensor Data to the Cloud

When securing the outsourcing of sensor data to the cloud, the representation of the sensor data and the choice of security measures applied to it are key. This paper presents the SensorCloud protocol, which enables the representation of sensor data and actuator commands using JSON, as well as the encoding of the object security mechanisms applied to a given sensor data item. It utilizes mechanisms that have been or currently are in the process of being standardized at the IETF to aid its wide applicability.

March 13, 2014 (3 years, 3 months ago)

A data-reachability model for elucidating privacy and security risks related to the use of online social networks

Personal and private data extracted piecemeal from diverse datasets can be linked and correlated to infer a more complete set of persoanl information about an individual. This obviousl is s threat to privacy in the current environment where many snippets of personal information are left as a trail inout internet behaviours or through our 'real-world' lives. Even anonymous data can be de-anonymised in this way. In order to successfully control the release of personal information in a way that maintains privacy it would be valuable to know the risks of privacy exposure when additional snippets of information are released. This work aims to assess the worst case risk of all potential data extraction attacks so as to give an indication to social media users of privacy risks and allow them to take sensible precautions with their personal data.