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Since quite some time we are talking about the "Death of the DMZ". This seems a little bit provocative but I am convinced that it is coming very closer to the truth. Do not get me wrong: I do not think that you should replace your firewall with routers and leave your network open to the Internet. But today's trends definitely show the need for new models and for saying goodbye to the "I defend the perimeter and I am secure"-methodology.
So, there are different approaches technically to this challenge and I started to discuss some of them in this blog. Thomas Raschke, Security Researcher at Forrester, raised a new question: K.I.S.S. the castle (analogy) good-bye! Okay, done - now what?. Even though I rarely used the castle analogy, what analogy will follow the castle? We often try to use pictures of the real world to explain what we do to non-technical people. How do you explain the challenges above including the defense mechanisms to them today? What do you use as an analogy? Unfortunately I do not have the silver bullet but would be interested to learn