THE DAILY DOT — The National Security Agency has kicked off the week by throwing down the cryptographic gauntlet to the entire Internet.

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A Twitter account normally dedicated to sharing job opportunities at the U.S. spy agency put out this mysterious message Monday morning: “tpfccdlfdtte pcaccplircdt dklpcfrp?qeiq lhpqlipqeodf gpwafopwprti izxndkiqpkii krirrifcapnc dxkdciqcafmd vkfpcadf. #MissionMonday #NSA #news”

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