The control systems of Iran's Bushehr nuclear plant have been penetrated by a computer worm unleashed last year, according to a foreign intelligence report that warns of a possible Chernobyl-like disaster once the site becomes fully operational. Russia's envoy to Nato, Dmitry Rogozin, also has raised the specter of the 1986 reactor explosion in Ukraine, but suggested last week that the danger had passed.
The report, drawn up by a nation closely monitoring Iran's nuclear program and obtained by The Associated Press, said such conclusions were premature and based on the "casual assessment" of Russian and Iran scientists at Bushehr. With control systems disabled by the virus, the reactor would have the force of a "small nuclear bomb," it said.
"The minimum possible damage would be a meltdown of the reactor," it says. "However, external damage and massive environmental destruction could also occur similar to the Chernobyl disaster." The virus, known as Stuxnet, has the ability to send centrifuges spinning out of control and temporarily crippled Iran's uranium enrichment program. It is believed to have been the work of Israel or the United States, two nations convinced that Iran wants to turn nuclear fuel into weapons-grade uranium.
Iran has acknowledged that the malware malicious software designed to infiltrate computer systems hit the laptops of technicians working at Bushehr, but has denied that the plant was affected or that Stuxnet was responsible for delays in the start-up of the Russian-built reactor. A spokeswoman for Atomstroyexport, the Russian company in charge of construction at Bushehr, also cast doubt on there being major damage at the plant, saying its control system is fully autonomous and virus-proof.
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