HMI security: protecting human-machine interfaces from cyber threats
HMI security protects the operator-facing system against unauthorized access, credential misuse, malware, lateral movement and tampering while preserving safe visibility and operational continuity. In PC-based deployments, the OEM-managed application and the Windows or Linux workstation beneath it require separate controls. This guide is for OT and automation engineers, SCADA administrators and plant leaders responsible for HMI availability.