Security guru Bruce Schneier gave a speech a few days ago in which he stated that a reliance on surveillance is the failure of security. In other words, good security relies on keeping people out, not catching people at breaking in. With claims that the authors of the Current Situation used the Internet to organize their villainy, Internet surveillance technologies that government agencies have deployed ahve come under great scrutiny. Here's a good article that describes the sheer volume of intercepts that intelligence agencies accumulate, and the intractability of making sense of them.
(via On Lisa Rein's Radar)
