In this screen shot from a YouTube video posted by the Pinellas County Sheriff's Office, Pinellas County Sheriff Bob Gualtieri speaks during a news conference as Oldsmar, Fla., Mayor Eric Seidel, left, listens, Monday, Feb. 8, 2021, in Oldsmar, Fla.
Authorities say a hacker gained access to Oldsmar's water treatment plant in an unsuccessful attempt to taint the water supply with a caustic chemical.
AdIn May, Israel’s cyber chief s aid the country had thwarted a major cyber attack a month earlier against its water systems, an assault widely attributed to its archenemy Iran.
The FBI, along with the Secret Service and the Pinellas County Sheriff’s Office are investigating the case.
AdRussian state-backed hackers have in recent years penetrated some U.S. industrial control systems, including the power grid and manufacturing plants while Iranian hackers were caught seizing control of a suburban New York dam in 2013.