The water supply's levels of sodium hydroxide or lye -- the main ingredient in drain cleaner -- were adjusted from 100 parts per million to 11,100 parts per million.

The attacker upped sodium hydroxide levels in the Oldsmar, Florida, water supply to extremely dangerous levels. The cursor began clicking through the water treatment plant's controls.

A hacker gained access into the water treatment system of Oldsmar, Florida, on Friday and tried to increase the levels of sodium hydroxide – commonly referred to as lye – in the city’s water ...

Someone remotely accessed a computer for the city’s water treatment system and briefly increased the amount of sodium hydroxide, also known as lye, by a factor of more than 100, Gualtieri said ...

Sodium hydroxide, also known as lye, is the main ingredient in liquid drain cleaners and is used to control water acidity and remove metals from drinking water at treatment plants. By Jennifer ...

"The hacker changed the sodium hydroxide from about 100 parts per million to 11,100 parts per million," Pinellas County Sheriff Bob Gualtieri said.

But another attempt was made early in the afternoon and this time the hacker accessed the treatment software and increased the sodium hydroxide content from 100 parts per million to 11,100 ppm.

Their warning is not a theoretical one. In February, a hacker or hackers breached the water-treatment system in Oldsmar, Fla., and attempted to raise the level of sodium hydroxide, or lye, in the ...

Thanks to a new treatment process, however, that brine could actually be used to desalinate more water. ... the brine is converted into useful chemicals such as sodium hydroxide.

The hacker allegedly tried to change the sodium hydroxide in the water supply from about 100 parts per million to 11,100 parts per million. Latest U.S.

A hacker gained access into the water treatment system of Oldsmar, Florida, on Friday and tried to increase the levels of sodium hydroxide – commonly referred to as lye – in the city’s water ...