In Florida city, a hacker tried to poison the drinking water

Authorities say a hacker gained access to a Florida city’s water treatment plant in an unsuccessful attempt to taint the water supply with a caustic chemical. Pinellas County Sheriff Bob Gualtieri said Monday that someone was able to breach a computer system for the city of Oldsmar’s water treatment plant on Friday. The hacker briefly increased the amount of lye by a factor of more than 100. The sheriff said a supervisor saw the chemical being tampered with and was able to intervene