Google revealed on May 14 that the fleet of vehicles it operates to compile panoramic images of city streets for its Google Maps site had inadvertently recorded traffic from unencrypted Wi-Fi networks. Google’s intention was only to record the identity and position of Wi-Fi hotspots in order to power a location service it operates, the company said. However, the software it used to record that information went much further, intercepting and storing data packets too.
At the time, Google said it only collected “fragments” of personal Web traffic as it passed by, because its Wi-Fi equipment automatically changes channels five times a second. However, with Wi-Fi networks operating at up to 54Mbps, it always seemed likely that those one-fifth of a second recordings would contain more than just “fragments” of personal data.
That has now been confirmed by CNIL, which since June 4 has been examining Wi-Fi traffic and other …