Published at LXer:

At the Def Con hacker conference early next month, O’Connor, a security researcher who runs the consultancy Malice Afterthought, plans to unveil Creepy Distributed Object Locator or CreepyDOL, a system of Linux computers that cost less than $60 each and are designed to be hidden around an urban or suburban area. The little black boxes can wirelessly track the movements of cell phones or other mobile devices, feeding the information they collect into a database where an administrator can monitor targets on a map-based interface. A proof-of-concept version of the system that O’Connor has built includes ten of the spy nodes, each capable of reading the wireless signals of nearby devices and communicating back to a central server by piggybacking on any available Wifi network.

Read More...

This a valuable article because it reminds us how easily we can be tracked. We can't prevent being tracked, but we should know how easy it is to be tracked and therefore we can take reasoned steps to minimize our risk.