Since Glenn Reynolds commented on DARPA’s CRASH and PROCEED programs:

Well, my only thought is that if you have cyber-security that’s modeled on the human immune system, the result will be a generation of hackers expert in overcoming the human immune system. I can see longer-term problems with that . . . .

CRASH’s immune system motivation is really just a metaphor.  It really has nothing to do with the human immune system so you don’t need to worry about that.  The most important thing about CRASH is they are pushing for “clean-slate” operating systems work, which means starting over rather than trying to make incremental improvements to existing faulty operating systems.

PROCEED would be a bigger deal, if someone can figure out how to make fully homomorphic encryption practical. So far, no one has any idea how to do that. (There’s a somewhat layman-friendly explanation of what fully homomorphic encryption is about here.)

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