Sodium hydroxide, also known as lye, is the main ingredient in liquid drain cleaners," Gualtieri added. "This is obviously a significant and potentially dangerous increase. According to the sheriff, the hacker spent up to five minutes in the system and adjusted the amount of sodium hydroxide in the water from 100 parts per million to 11,100.
And this time, Gualtieri says, the hacker did more than just remote in. It's a system responsible for controlling the chemicals and other operations of the water treatment plant, Gualtieri said. 5 at the city's water treatment plant when, around 8 a.m., an operator noticed someone had remotely entered the computer system that he was monitoring. Secret Service, are investigating the breach as it is unclear if it came from within the U.S. In a press conference Monday, Sheriff Bob Gualtieri said his deputies, along with the FBI and U.S. An anonymous reader quotes a report from WTSP: hacker gained access to Oldsmar's water treatment plant, bumping the sodium hydroxide in the water to a "dangerous" level, according to Pinellas County's sheriff.
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