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Well, my wife's ATM card was hacked a few weeks ago after she used it exactly once. In Dulles airport, unfortunately--the same place my card got hacked about a year ago. I don't know if it was somebody watching her or one of those add-on things that intercept the card reader--I wasn't there--but she is reasonable aware of her surroundings and was completely flummoxed. Moral: Never use your credit or ATM card in an airport.

I think there is a fundamental law of information physics involved in all this. If you want a paper to be secure, you put it in a "secret" folder in a locked file cabinet in a locked room in a locked building. It's a hassle to get at it, but it's pretty secure. If you want to keep your file secure, you encrypt it, you use a good key distribution system, you require complex passwords, and you force people to change their access routine regularly. It's a hassle to get at it, but it's pretty secure. Fundamentally, I propose, the difficulty of access for approved users (you) is a proxy for the fundamental security of the overall system--regardless of the access method, physical or electronic.

by asdf on Wed Jul 6th, 2011 at 06:21:01 PM EST
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