In 2008, the CIA confirmed that online attackers caused at least one power outage that affected multiple cities internationally. Ensuing reports revealed that multiple international regions had experienced cyberintrusions into utilities followed by extortion demands. They also noted that the attackers probably had inside knowledge of the systems used to control the power equipment.The CIA report highlights that supervisory control and data acquisition (SCADA) systems used to control and man-age critical infrastructure such as power generators, traffic signals, water and gas pipelines and dams were never designed for security.
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