I feel like i walked into a ultra secret spy site. Most computer user won't ever have anything worth breaking into a home or office with a can of liquid nitrogen, tear apart your computer, freeze your ram.. all within minutes of you walking out the door. Generally speaking if they have physical access to your computer it would be sooo much easier to put a keystroke logger on it an have it email you the results (you could use a usb flashdrive with a small OS on it as well), rather than perform some kind of mission impossible for your data. Your best security for this kind of attack is a mean dog who doesn't like strangers..

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Josh Taylor
Verde Valley Reformed Chapel, OPC
Cottonwood, AZ