About 70% of utilities inspected by federal officials over the last year violated standards meant to prevent breaches or other intrusions, the agency said...Officials urged even small water systems to improve protections against hacks.
Recent cyberattacks by groups affiliated with Russia and Iran have targeted smaller communities...Because water utilities often rely on computer software to operate treatment plants and distribution systems, protecting information technology and process controls is crucial, the EPA said.
Possible impacts of cyberattacks include interruptions to water treatment and storage; damage to pumps and valves; and alteration of chemical levels to hazardous amounts, the agency said...Recent attacks are not just by private entities. Some recent hacks of water utilities are linked to geopolitical rivals, and could lead to the disruption of the supply of safe water to homes and businesses.
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