There is a new warning for travelers after researchers, posed as hackers, expose a security flaw that could open millions of hotel-room doors. The good news is, they're helping to fix the problem ...

A hotel key card is meant to be the simplest part of your stay. But what if we told you that the way you're handling it could put your safety at risk? A small mistake can easily turn into a big ...

HELSINKI (Reuters) - By getting hold of a widely used hotel key card, an attacker could create a master key to unlock any room in the building without leaving a trace, Finnish security researchers ...

Security researchers have built a master key that exploits a design flaw in a popular and widely used hotel electronic lock system, allowing unfettered access to every room in the building. The ...

SAN FRANCISCO — Every once in a while, an email or Facebook posting makes the rounds sounding alarms over the supposed danger of used hotel card keys. To stay safe, the reasoning goes, travelers must ...

However, there's a very common key card habit that is surprisingly dangerous. Often during check in, key cards are handed over in a smart envelope with the room number and hotel name written on it, ...