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Water-Supply Hack Should Be a Wake-Up Call, Experts Say

U.S. law enforcement officials are investigating a hacker’s unsuccessful attempt to tamper with a Florida city’s water supply, an event that cybersecurity professionals view as yet another wake-up call that should cause the government to examine its role in protecting critical infrastructure from more skillful attackers. On Monday, local officials from the city of Oldsmar and the surrounding Pinellas county said a “bad actor” used software that provides remote access to a public water treatment facility to increase the level of sodium hydroxide—the main ingredient in drain cleaners, which is used in small quantities to adjust pH levels—to a dangerous…