poisoning drinking water: In Florida city, hackers try to poison the drinking water
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.