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The widespread nature of local attacks is well known to every hotel manager.

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Each one of us stops at a hotel from time to time in the slide you can see two devices that prove very

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useful for anyone who plans to stay at a hotel.

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The device visible on the bottom left can get you free electricity in a hotel room.

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Electricity in hotel rooms is usually cut off until the guest sorts a card key into a special slot.

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If you play such a universal card they're It gets access to the code that will allow you to switch on

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electricity in every room of the hotel as Chinese made devices available on the Internet.

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On the right side of the slide you'll see another interesting device.

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In most hotels room door locks are unlocked with a key card.

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When you check into a hotel you get your key card program.

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This requires you to fill out a long and detailed questionnaire asking about lots of private information

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this alone creates a huge security issue.

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After you've filled out the form the receptionist hands you the key card.

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It carries information about your room and check out date.

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The staff can use a hotel master key card to open any room at any time.

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Once you get your key card you go to your room and place it on the device.

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You can see in the picture then you replace your key card with a blank card.

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The device copies the hotel data from the key card onto the blank card instead of a specific room number

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and checkout date.

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The device right sounds at their card a series of nines.

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This will give us unlimited access to every room in the hotel.

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There are many such devices that make local attacks easy.

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So if someone leaves a laptop in their hotel room the person who is in possession of such a master key

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card could easily get access to the laptop.

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Even if it's hard drive is encrypted with bit longer true crypt it wouldn't help much if the user left

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the laptop hibernated or not turned off

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a person that can get physical access to the machine will either read the password directly or infect

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the computer with a key logger and wait until the owner logs in.

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This will give that person full access to the data stored on the laptop software that extracts data

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encrypted with true crypt was tellingly named evil made local attacks present a serious threat.