Debunking a myth: If you have nothing to hide, you have nothing to fear The idea that an individual can live in a surveillance society with nothing to fear so long as they have nothing to hide may, on the face of it, appear attractive. For those of us who think of ourselves as 'honest' - we pay our taxes, don't commit murders and are loyal to our partners - why indeed should we fear surveillance? "Nothing to hide, nothing to fear" (NTHNTF) is a myth that is built on certain false assumptions, and these assumptions are never questioned when it is wheeled out as an argument to support whatever draconian surveillance measure is being pushed out in the face of citizen opposition (commercial organisations rarely try such an approach, since it dooms them to failure from the very beginning). These assumptions include: Continuity : When a large data gathering exercise is started, the lifespan of the system will almost always be greater than that of its instigators. The most benign and caring government, authority or private company is inevitably subject to a change of management, and if the new executive does not share their moral stance, then data can be reused for very dangerous purposes. Those who provided data believing they had nothing to fear may find that data is misused in the future. Context: Those who use the NTHNTF argument most commonly use it in the context of government collecting information about individuals. In the information age, the