Hackers build a ‘Master Key’ that unlocks millions of Hotel rooms

By [email protected] (Swati Khandelwal) If you often leave your valuable and expensive stuff like laptop and passports in the hotel rooms, then beware. Your room can be unlocked by not only a malicious staff having access to the master key, but also by an outsider.

A critical design vulnerability in a popular and widely used electronic lock system can be exploited to unlock every locked room in a facility, leaving millions of hotel

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