Key Findings Censys identified 5,219 internet-exposed Rockwell Automation PLCs globally, with 74.6% located in the United States Iranian-linked APT groups have been actively targeting these devices since March 2026, causing operational disruptions and financial losses Approximately 3,891 exposed U.S. devices are concentrated on cellular networks, indicating field-deployed infrastructure at utilities and substations Most vulnerable devices run outdated firmware from the MicroL