A coordinated cyberattack has targeted water systems in multiple US states, causing some utilities to issue boil-water notices. The attack has prompted some systems to switch to manual mode and take their systems offline. US officials and agencies, including the US Cybersecurity and Infrastructure Security Agency, are working to secure the affected facilities.

The Environmental Protection Agency and the FBI are also involved in the efforts to ensure the safety of drinking water. Further details about the cyberattack and the response efforts are available from US officials and agencies, including a warning issued by the US Cybersecurity and Infrastructure Security Agency.