"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."

https://www.pentagrid.ch/en/blog/ibis-hotel-check-in-terminal-keypad-code-leakage/

#security #infosec #ibis #hotels