Security Blankets: One Layer Isn't Enough
Ah, the simplicity of innovation. These examples underscore two technology rules that anyone with half a brain understands. Rule No. 1: Usually, where there's a will, there's a way. Rule No. 2: Most technology has dual uses -- for good or evil. Nuclear fission can be used either to light or to level cities. Orbiting satellites can be used to track the weather or spy on unsuspecting citizens. Cryptographic software can be used by hospitals to guard patient data or by organized crime to scramble the contents of hard drives and elude law-enforcement authorities.
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