LONG BEACH, California – A German computer security expert said Thursday he believes the United States and Israel’s Mossad unleashed the malicious Stuxnet worm on Iran’s nuclear program.
“My opinion is that the Mossad is involved,” Ralph Langner said while discussing his in-depth Stuxnet analysis at a prestigious TED conference in the Southern California city of Long Beach.
“But, the leading source is not Israel… There is only one leading source, and that is the United States.”
There has been widespread speculation Israel was behind the Stuxnet worm that has attacked computers in Iran, and Tehran has blamed the Jewish state and the United States for the killing of two nuclear scientists in November and January.
“The idea behind Stuxnet computer worm is really quite simple,” Langner said. “We don’t want Iran to get the bomb.”
The malicious code was crafted to stealthily take control of valves and rotors at an Iranian nuclear plant, according to Langner.
“It was engineered by people who obviously had inside information,” he explained. “They probably also knew the shoe size of the operator.”
Stuxnet targets computer control systems made by German industrial giant Siemens and commonly used to manage water supplies, oil rigs, power plants and other critical infrastructure.
“The idea here is to circumvent digital data systems, so the human operator could not get there fast enough,” Langner said.
“When digital safety systems are compromised, really bad things can happen — your plant can blow up.
Most Stuxnet infections have been discovered in Iran, giving rise to speculation it was intended to sabotage nuclear facilities there.
The New York Times reported in January that US and Israeli intelligence services collaborated to develop the computer worm to sabotage Iran’s efforts to make a nuclear bomb
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