The second major malware iteration to target Industrial Control System (ICS) technologies directly, Industroyer, is believed to be the source behind the 2016 attack against Kiev, Ukraine, which brought down segments of the electrical grid. The malware was designed to focus on unsecured Industrial Internet of Things (IIoT) ICS devices, propagated through IT systems, and is reportedly able to manipulate existing process commands to flip breakers, potentially resulting in downtime across power plants.

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