American Water, the U.S. public utility supplier, has disconnected certain systems after detecting hackers in its internal networks. The company, which serves over 14 million people, confirmed the breach in a regulatory filing but stated that water and wastewater operations remain unaffected. Billing has been paused until further notice, with no late charges incurred during this disruption. Law enforcement has been notified of the incident, and American Water is investigating the breach's nature and impact. This incident highlights rising concerns about state-sponsored cyberattacks targeting U.S. critical infrastructure.