Researchers from Idaho National Laboratory and New Mexico-based Visgence Inc. have designed and demonstrated a technology that can block cyberattacks from impacting the nation’s electric power grid.

During a recent live demonstration at INL’s Critical Infrastructure Test Range Complex, the Constrained Cyber Communication Device (C3D) was tested against a series of remote access attempts indicative of a cyberattack. The device alerted operators to the abnormal commands and blocked them automatically, preventing the attacks from accessing and damaging critical power grid components.

“Protecting our critical infrastructure from foreign adversaries is a key component in the department’s national security posture,” said Patricia Hoffman, acting assistant secretary for the U.S. Department of Energy. “It’s accomplishments like this that expand our efforts to strengthen our electric system against threats while mitigating vulnerabilities….

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