Neighborhood Keeper enables anonymous, machine-speed sharing of extended operational technology (xOT) threat intelligence, spanning traditional OT and ICS control systems, industrial IoT devices, and the enterprise-connected infrastructure that influences physical operations, across industries and geographic regions, empowering critical infrastructure operators, from small utilities and municipalities to large industrial enterprises, to defend their environments collectively. Familiarity with the xOT threat landscape, including the types of threats, adversary TTPs, and vulnerabilities that affect traditional OT and ICS control systems, industrial IoT devices, and enterprise-connected infrastructure across electricity, oil and gas, water, manufacturing, chemical, and other critical infrastructure sectors.