I am regularly asked what the average Internet user can do to ensure his security. My first answer is usually 'Nothing; you're screwed.

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There's an entire flight simulator hidden in every copy of Microsoft Excel 97.

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A colleague once told me that the world was full of bad security systems designed by people who read Applied Cryptography.

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People don't understand computers. Computers are magical boxes that do things. People believe what computers tell them.

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There are a lot of CAST algorithms. Some have been beaten up somewhat; some haven't. I don't buy the design process. And I DON'T like CAST-256.

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