by the BBC
Viruses have been written to attack oil treatment plants and other critical control systems. The US government has told thousands of companies to beef up protection of computers which oversee power plants and other utilities. The action comes after a survey revealed that thousands of these systems can be found online. The survey was carried out via a publicly available search engine that pinpointed computers controlling critical infrastructure. In total, the survey uncovered more than 500,000 potential targets.
http://www.bbc.co.uk/news/technology-20984827#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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