It’s possible to open over 3 million hotel doors worldwide with just two taps. One of the people that figured out how to do it is the founder of airline award search tool Seats.aero.
Two years ago a group was invited to hack a brand of hotel door lock in Las Vegas. What one team found was flaws in the RFID-based keycard locks by Dormakaba, a leading Swiss lock manufacturer. This vulnerability affects Saflok systems installed in doors across 131 countries. There’s a fix rolling out, but it’ll take months or even years to be in place worldwide.