Assuring Trustworthiness via Structured Assurance Cases
Figure 7: Connectivity and Complexity of Connected Software Systems is Still Expanding
new
connections
bring
additional
functionality, safety features, traffic
management enhancements; but, they also
bring risks and need to be done in a way that
maintains the overall safety and security and
reliability of the systems being connected.
system is secure and safe needs to focus on
the interaction with that system. Did the
owners of those other IIoT systems address
issues about patching and vulnerabilities,
configuring software correctly,
and
addressing weaknesses that could lead to
unsafe or insecure operation of their IoT
systems?
As we connect this industrial internet of
things, either directly or through workflows,
the question of whether or not a specific
Figure 8: Risks and Impacts Expand with Physical Systems
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IIC Journal of Innovation