IEC 62443
IEC 62443-3-3:2013 system security requirements and security levels – IEC 62443

IEC 62443 SR 3.4: Software and information integrity

What does SR 3.4 require?

The control system shall protect software and stored information against unauthorized changes, and detect, record and report any such change. RE 1 requires automated notification on integrity violations. The ISAGCA paper adds authenticity of software and information as the SL 2 enhancement through the 4-2 counterpart.

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Other controls in IEC 62443-3-3:2013 system security requirements and security levels – IEC 62443

Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.