A hacker gained entry to the system controlling the water treatment plant of a Florida city of 15,000 and tried to taint the water supply with a caustic chemical, exposing a danger cybersecurity experts say has grown as systems become both more computerized and accessible via the internet.
The hacker who breached the system at the city of Oldsmar’s water treatment plant on Friday using a remote access program shared by plant workers briefly increased the amount of sodium hydroxide by a factor of one hundred (from 100 parts per million to 11,100 parts per million), Pinellas County Sheriff Bob Gualtieri said during a news conference Monday…..
Fortunately, a supervisor saw the chemical being tampered with — as a mouse controlled by the intruder moved across the screen changing settings — and was able to intervene and immediately reverse it, Gualtieri said. Oldsmar is about 15 miles (25 kilometers) northwest of Tampa.
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