Hacker attempted to poison water supply of Florida city, officials say

Supervisor promptly reversed the action after noticing lye measurements suddenly changing wildly

｜黑熊觀點：指令本身無誤時，即使數值超標，防火牆也無從抵擋。

2021.02.08

Local and federal authorities are investigating how a hacker was able to remotely gain access to a Florida city’s water treatment plant in an unsuccessful attempt at what could have amounted to a mass poisoning.

A mysterious hacker infiltrated a computer for the water treatment system of the city of Oldsmar, near Tampa, and briefly increased the amount of sodium hydroxide, also known as lye, by a factor of more than 100, the Pinellas county sheriff, Bob Gualtieri, said on Monday.

read more on The Guardian

Source: The Guardian
(https://www.theguardian.com/us-news/2021/feb/08/hacker-water-supply-oldsmar-florida)