Cybercriminals used infected USB devices to shut down parts of two U.S. power plants in 2012, the U.S. Industrial Control Systems Cyber Emergency Response Team revealed. In one case, the bug was installed during a routine software update by a third-party technician who was unaware of the bug's existence. It is not clear who created the malware or what it was designed to do, but ICS-CERT is recommending enhanced security procedures when dealing with removable media.

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Gizmodo, PC Magazine

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