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A hacker remotely accessed a water treatment plant in Florida and tried to poison the water supply, according to local police. The intrusion occurred at a water treatment plant in Oldsmar, Florida, which is home to about 15,000 people, according to Pinellas County Sheriff Bob Gualtieri. Last Friday, an operator at the facility noticed some suspicious activity: an unknown user had remotely gained access to a computer system that controls chemical processes at the plant. The mysterious culprit spent three to five minutes accessing various functions on the computer, including one that controls how much sodium hydroxide, also known as lye, is added to the water.
Wild. A hacker broke into the computer system of a water treatment plant in Florida & changed the plant’s sodium hydroxide setting to a potentially dangerous level, authorities said. No harm to public health was done. Details w/ @snlyngaas @CyberScoopNews https://t.co/xiz8JssSXo
— Shannon Vavra (@shanvav) February 8, 2021