Location-based Services: Privacy, Security and Assurance

In a straight-forward setup, location-based services have many trust assumptions amongst the involved parties. However, some of the parties may be honest while still being interested in learning confidential information, and others can have reasons to cheat where possible. Therefore, system design needs to account for a less than perfect setting. Research in this area is currently focused on reducing the necessary amount of trust required by improving security, privacy and assurance of these systems. This paper provides an introduction to the field.