How Ralph Langner's team reverse-engineered Stuxnet

HN points people to it as the short, accessible account of how Stuxnet was dissected, usually when Stuxnet or state-sponsored malware comes up.

In an 11-minute TED talk, Ralph Langner explains how his team reverse-engineered the Stuxnet worm and worked out that it targeted industrial control systems, with a covert state origin. It is a compact look at cyber-forensics.