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This is the Cato Daily Podcast for Thursday, December 21st, 2017.

I'm Caleb Brown. When the Wanna Cry malware attack that devastated

thousands of computer systems was halted, fingers had already begun pointing at North

Korea. But the exploit the hackers used was one that the

National Security Agency had known about for some time and only told Microsoft

about it just before the attack went live, but the timing of that kind of new but not really new announcement

that North Korea was responsible is at least curious.

Cato's Julian Sanchez comments.

...