Home CEL Competes in 2017 ASTORS Homeland Security Awards Unmonitored manhole/vault covers pose significant vulnerability access points to sensitive governmental areas & critical infrastructure locations for physical attack, frequently missed in perimeter protection strategies, as evidenced for example, by the Metcalf attack (Image Credit: Cleveland Electric Labs)
Unmonitored manhole/vault covers pose significant vulnerability access points to sensitive governmental areas & critical infrastructure locations for physical attack, frequently missed in perimeter protection strategies, as evidenced for example, by the Metcalf attack (Image Credit: Cleveland Electric Labs)
