The next time you stay in a hotel room, run your fingers under the keycard lock outside your door. If you find a DC power port there, take note: With a few hacker tricks and a handful of cheap ...

Technology that allows hotel guests to use their phones as room keys is expanding, taking aim at those environmentally unfriendly plastic cards. By Karen Schwartz The demonstration using the cellphone ...

Think back to the last time you checked into a hotel. Chances are, you handed over a credit card for incidentals and watched while the desk attendant typed away on a keyboard for what seemed like ...

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.