Sensitive projects are cordoned off by keycard access, or even face recognition software.

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By the time the machine has programmed your personal RFID keycard, your room is waiting for you to enter.

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Edge can only be accessed by a swipe of the young passenger's keycard, via an elevator in the ship's forward funnel.

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Then there have been subtle but important barriers: For instance, Macintosh computers have long been incompatible with a security keycard-reading system known as Common Access Cards system, or CAC, which is heavily used by the military.

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When the program was abruptly canceled, the company didn't take away Maron's keycard, so he used his access to recording resources to record and launch his podcast " WTF with Marc Maron" in September of that year.

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But White Lodging, the Hyatt franchisee that manages the Houston hotel, believes that the rooms were opened using a device that takes advantage of a glaring security vulnerability in keycard locks built by the lock company Onity, specifically a model of lock that appears in at least four million hotel rooms worldwide.

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