Consumer-grade industrial security VPN like OpenVPN risks high CPU/bandwidth use, poor interoperability, and unpatched vulns leading to ransomware (7x higher per At-Bay). Hardened appliances offer integrated NGFW, zero-trust, and compliance, but need maintenance; they reduce OT breaches via robust encryption and monitoring over OpenVPN's config complexity.
What are the risks of using consumer-grade VPNs (like OpenVPN) in industrial settings vs. hardened appliances (e.g., Cisco, Palo Alto, Fortinet) for I
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