Some threats to locational privacy are overt: it's evident how cameras backed by face-recognition software could be misused to track people and record their movements. In this document, we're primarily concerned with threats to locational privacy that arise as a hidden side-effect of clearly useful location-based services. We can't stop the cascade of new location-based digital services. Nor would we want to -- the benefits they offer are impressive. What urgently needs to change is that these systems need to be built with privacy as part of their original design. We can't afford to have pervasive surveillance technology built into our electronic civic infrastructure by accident. We have the opportunity now to ensure that these dangers are averted. Our contention is that the easiest and best solution to the locational privacy problem is to build systems which don't collect the data in the first place. This sounds like an impossible requirement (how do we tell you when your friends are nearby without knowing where you and your friends are?) but in fact as we discuss below it is a reasonable objective that can be achieved with modern cryptographic techniques.
EFF on Locational Privacy
- Category: Locational Secuirity and Tracking
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