June 2010:
Discovery of the Stuxnet worm exposed the vulnerability of critical infrastructure and computer systems to attack. Countries known to have been affected by the Stuxnet worm include Iran, Indonesia, India, Pakistan, Germany, China and the United States. “The Stuxnet worm, which was first reported in June 2010 by a security firm in Belarus, appears to be the first malicious software (malware) designed specifically to attack a particular type of ICS: one that controls nuclear plants, whether for power or uranium enrichment.” — CRS