Remote access and technical support for the OT environment
How to resolve this and what to consider?
Many manufacturing companies rely on the support and assistance of specialized suppliers to maintain and update critical parts of equipment in the manufacturing environment – such as PLCs, HMI, SCADA applications, switches, etc.
This means that a “connection” must be made from a support technician with his own PC to the OT infrastructure. This article discusses security controls and aspects to consider in different scenarios.
The document contains references to aspects and controls that should be carried out in relation to div. standards such as NIST SP800-53 and IEC62443 3-3.