Stuxnet Analysis Supports Iran-Israel Connections
• ThreatPost (hattip Shawn Dow)He programmed the pump to run for 3 seconds, gently inflating a balloon attached to the pump. O'Murchu then demonstrated how a Stuxnet infected PLC would instruct the pump to run, instead, for 140 seconds, quickly bursting the balloon.
http://www.livescience.com/technology/stuxnet-malware-iran-100930.html