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Matrikon Honeywell is one of three IoT vendors that faced vulnerabilities in their process to implement the open platform communication (OPC) network protocol ahead of a 2020 fix. (Spencer Platt/Getty Images)
At least nine vulnerabilities in the approach three leading IoT vendors used to implement the open platform communication (OPC) network protocol created conditions that could potentially expose product users to denial-of-service (DoS) attacks, remote code execution, and sensitive data leakage.
The three IoT vendors – Softing Industrial Automation GmbH, Kepware PTC, and Matrikon Honeywell – all provided fixes for their respective products after security firm Claroty privately disclosed them during 2020.
OPC functions as the middleman of operational technology (OT) networks, ensuring operability between industrial control systems (ICS) and proprietary devices, such as programmable logic controllers (PLCs) responsible for the ....

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