Al-Qaeda "Intranet" goes dark after US leak

Wired News defense technology blogger Noah Shachtman tells Boing Boing,
For years, the private terror-hunters at the SITE Institute have been infiltrating jihadist chat rooms, and spying on the extremists congregating online.  Now, the group its digital cover has been blown -- and Al-Qaeda online communications channels have gone dark -- thanks to a ham-handed move by the Bush administration, it seems.  "Techniques that took years to develop are now ineffective and worthless," SITE's Rita Katz told the Washington Post.
Link, and see this related post from Noah about apparent plans by the US Air force to initiate "offensive cyber strikes": Link.