Actually, not the CCC (Score 3, Informative)

The CCC was sent an anonymous report on how the bikes were hacked. From the webpage: "An article in our magazine Datenschleuder that has been passed along from an anonymous source details how the the system can be circumvented to gain free access to the bikes without calling anybody: [Externer Link]"Hack a Bike" is a fine example of a true hack."