ICS-CERT has never posted information that wasn't already known to members of his discussion list, who share information amongst each other, he said

Radvanovsky is the moderator of the , an open forum for discussions about cyber security in industrial systems. "Both industry and government fail to understand the value of the Internet," he said.

With Stuxnet, neither Siemens nor DHS itself were the ones to explain that the worm was actually built to target -- and then destroy -- a particular industrial facility. That work was done by security researchers at Symantec, Kaspersky Lab, and --

The IDG News Service