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.) ...

An Onity lock and (inset) the circuit board Onity has now offered to replace for a full reimbursement in many hotels' doors. After four months, countless hacking embarrassments and a string ...

At the time, Onity, a division of UTC, characterized the methods used by the hacker as "unreliable" and "complex to implement," but said that it was working to develop a firmware upgrade for the ...

There’s a DC power jack meant to be used for re-programming on the bottom of vulnerable Onity locks, but this jack has a glaring security flaw: the numeric key that unlocks the door is stored ...

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 ...

Forbes first reported that the compromise came about because of a security flaw in Onity's hotel door locks, and now hotels are scrambling to make a fix after a string of robberies in Texas.

Onity could be forgiven for thinking that it would get off lightly, but then came a spate of thefts from hotels across Texas that all use Onity locks.

Can anyone argue against this being the least-secure hotel room lock on the market? Regular readers will recognize it as an Onity key card lock. A few months back a glaring flaw in the security was… ...

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.

According to hotel management company White Lodging, Onity only started fixing its lock problem after the Hyatt had experienced its string of break-ins in early September.

Onity locks are installed in an estimated four to five million hotels worldwide. The Black Hat USA 2012 conference is held in Las Vegas from July 21 to 26.