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'This is dangerous stuff': Hacker increased chemical level at Oldsmar's city water system, sheriff says
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[link to www.wtsp.com (secure)]
A hacker gained access to the Oldsmar's water treatment plant, bumping the sodium hydroxide in the water to a "dangerous" level, according to Pinellas County's sheriff.
In a press conference Monday, Sheriff Bob Gualtieri said his deputies, along with the FBI and U.S. Secret Service, are investigating the breach as it is unclear if it came from within the U.S. or from a foreign actor.
The incident first occurred on Feb. 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. It's a system responsible for controlling the chemicals and other operations of the water treatment plant, Gualtieri said.
At first, the operator did not think much of the action due to the common use of the remote access software by supervisors to troubleshoot from different locations. That's until it happened again.
And this time, Gualtieri says, the hacker did more than just remote in. 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.
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