In low concentrations the corrosive chemical regulates the PH level of potable water. Within seconds, the intruder was attempting to change the water supply's levels of sodium hydroxide, also known as lye or caustic soda, moving the setting from 100 parts per million to 11,100 parts per million. The cursor began clicking through the water treatment plant's controls. This time there would be no illusion of benign monitoring from a supervisor or IT person. ![]() Initially, he wasn't concerned the plant used the remote-access software TeamViewer to allow staff to share screens and troubleshoot IT issues, and his boss often connected to his computer to monitor the facility's systems.īut a few hours later, police say, the plant operator noticed his mouse moving out of his control again. ![]() ![]() Around 8 am on Friday morning, an employee of a water treatment plant in the 15,000-person city of Oldsmar, Florida, noticed that his mouse cursor was moving strangely on his computer screen, out of his control, as local police would later tell it.
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June 2023
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