Following cyberattacks targeting more than 30 municipal water systems across Minnesota, the FBI and EPA have issued a warning to critical infrastructure asset owners and operators that malicious actors are targeting operational technology devices used in water and wastewater facilities.

Since July 27, water and wastewater companies in seven states have reported incidents to the FBI, some of them causing a degradation of service, the agencies said in a public service announcement.

Operational effects reported to the FBI have included loss of pressure and flooding, the announcement added. Pressure loss in water systems could potentially allow…

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