Ralph Langner on Stuxnet, copycat threats (Q&A)
SAN FRANCISCO--A year ago, Ralph Langner was plugging away in relative obscurity, doing security consulting work for the industrial control system industry in his Hamburg headquarters. Then along came Stuxnet, the first malware targeting not consumer financial data like so many viruses these days but the very systems he knows so well--software used to control processes in manufacturing and utility plants.
The sophistication behind Stuxnet, which appeared last July, was fairly clear from the get-go. It spreads via unpatched holes in Windows and USB devices, drops a rootkit to hide the compromise from administrators, and uses fraudulent digital certificates to … Read more