A cyberattack on water systems in a dozen states is exposing years of under-investment in critical infrastructure and how US adversaries can threaten services that everyday Americans take for granted, according to industry experts and current and former US officials.

The FBI and EPA are warning water and wastewater operators after cyberattacks targeted internet-connected programmable logic controllers, underscoring growing risks to critical…

Possible cyber intrusions targeting water and wastewater utilities have now been reported in at least a dozen states, multiple sources told ABC News.