HMI

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CISA warns water facilities to secure HMI systems exposed online

CISA and the Environmental Protection Agency (EPA) warned water facilities today to secure Internet-exposed Human Machine Interfaces (HMIs) from cyberattacks. HMIs are dashboards or user interfaces that help human operators connect to, monitor, and control industrial machines and devices via tablets, portable computers, or built-in displays. “In the absence of cybersecurity controls, threat actors can exploit exposed HMIs at WWS…