Abolish the Department of Homeland Security I have a love/hate relationship with the Cato Institute. Most of their analysis I strongly disagree with, but some of it I equally strongly agree with. Last September 11—the tenth anniversary of 9/11—Cato’s David Rittgers published “Abolish the Department of Homeland Security“: DHS has too many subdivisions in too many disparate fields to operate effecti
Multiple Protocol Attacks In 1997, I wrote about something called a chosen-protocol attack, where an attacker can use one protocol to break another. Here’s an example of the same thing in the real world: two different parking garages that mask different digits of credit cards on their receipts. Find two from the same car, and you can reconstruct the entire number. I have to admit this puzzles me,
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