Tuesday, January 24, 2017

How to Securely Send Snail Mail the CIA Way

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Today, tech nerds are obsessed with high-tech encryption. But if you ever send snail mail, you might want to take a tip from America’s intelligence community. The CIA sends out letters that are secured with a specific type of tamper-proof tape—think of it like low-tech encryption—and we now know exactly what kind the…

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