IBIS hotel check-in terminal keypad-code leakage
After a hacker congress in Hamburg, Pentagrid noticed that an IBIS Budget hotel check-in terminal leaked room keypad codes of almost half of the hotel rooms, when a users searches for a specific form of a non-alphanumeric booking number. Access to hotel rooms would allow the theft of valuables, especially if low-budget hotel rooms are not equipped with a room safe. The hotel chain operator Accor has fixed the problem in the meantime.