A nice analysis of the airborne terror threat then and now by Shane Harris in National Journal. The broad point to take away is the value of defense-in-depth, or layers of security that (hopefully) are designed to catch those bits that fall through the cracks. For you INFOSEC folks this is nothing new, but all too often on the physical side it is hard but brittle shell covering a soft and mushy inside. There are plenty of gaps in each existing layer, but making the most of these gaps all at once should be readily detected (one would think).

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