DUBAI An Internet virus attacked computers at industrial sites in southern Iran, in an apparent extension of a covert cyber war that initially targeted the country's nuclear facilities, an Iranian official said.
Iran, the world's No. 5 oil exporter, has tightened online security since its uranium enrichment centrifuges were hit in 2010 by the Stuxnet computer worm, which Tehran believes was planted by arch-adversaries Israel or the United States.
The unit tasked with fighting cyber attacks, the Passive Defence Organisation, said a virus had infected several sites in Hormozgan province in recent months but was neutralised.
"Enemies are constantly attacking Iran's industrial units through Internet networks in order to create disruptions," Ali Akbar Akhavan, head of the Hormozgan branch of the organisation, was quoted as saying by the Iranian Students' News Agency on Tuesday.
"This virus has even penetrated some manufacturing industries in Hormozgan province, but with timely measures and the cooperation of skilled hackers in the province, the progress of this virus was halted," Akhavan said.
"As an example, the Bandar Abbas Tavanir Co., a producer of electricity in the province and even adjacent provinces, has been the target of Internet attacks in recent months," he said.
Bandar Abbas is the capital of Hormozgan province on Iran's southern coast and home to an oil refinery and container port.
Israeli officials have threatened military action against Iranian nuclear facilities if Western sanctions on Tehran's banking and oil sectors do not persuade the Islamic Republic to shelve its disputed atomic programme.
Western powers suspect Iran is trying to develop the means to produce nuclear weapons. Tehran says it is enriching uranium only for civilian energy.
Iranian authorities said in April that a computer virus was detected inside the control systems of Kharg Island - which handles the vast majority of Iran's crude oil exports - but the terminal had remained operational.
Cyber attackers also slowed Iran's Internet and attacked its offshore oil and gas platforms this year, Iranian officials have said.
(Reporting By Yeganeh Torbati; Editing by William Maclean and Pravin Char)
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