More than nine months after the hotel lock firm Onity announced a fix for a security flaw that allowed anyone to gain access to millions of hotel rooms in seconds, that lock-hacking technique ...

If, during your next hotel stay, you're met with a lock on your door like that pictured above, it's time for a conversation with management. This is an Onity HT series lock. Cody Brocious claims ...

But given that the plugs would prevent the use of the hotels' lock programming devices, it's not likely Onity's customers have been eager to implement them.) ...

The first approach will include providing a mechanical cap, free of charge, to our customers, who have the Onity HT series locks. This mechanical cap will be inserted into the portable programmer ...

Onity locks have a DC power port under the keycard lock, so Brocious plugged his Arduino microcontroller into that port and was able to read the 32-bit key stored in the lock’s memory location.

Bad news: With less than $50 of off-the-shelf hardware and a little bit of programming, it's possible for a hacker to gain instant, untraceable access to millions of key card-protected hotel rooms.

At the Black Hat Las Vegas security conference in July, Cody Brocious showed how “stupidly simple” it was to exploit Onity keycard-protected hotel rooms and that the lockpicking for ...

At the Black Hat security conference, a hacker picked Onity hotel keycard locks in less time than it takes to blink. These locks are in about 22,000 hotels worldwide, leaving about four million ...

The lock-picking tool—often referred to on the Internet as the “Onity hack”—takes less than 20 minutes to build, costs less than $40, and everything you need can be found at your ...

An Onity website also shows Sheraton, Hyatt, Holiday Inn, Fairmont, Radisson and other well-known hotels from Paris to Perth as also having its locks. The lock scandal began as a hacker exercise.

Onity also offered to replace parts of each lock to permanently disable the security flaw, but said its clients would have to foot the bill.

The second solution Onity will offer to our customers, if they choose to use this option, is to upgrade the firmware of the HT and ADVANCE series locks. The firmware is currently complete for the ...