Cybersecurity for Industrial Control Systems

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threAts to ICs

enterprise network can be brought down through the resulting denial

of services, which may not even be an intentional act by the bot herd-

ers! is is the sort of collateral damage to a network that can pose

extreme threats to ICS, even if they happen to be logically segmented

but sharing some network elements such as routers, switches, DHCP,

directory, or DNS services. Similarly, any ICS devices that happen to

be sensitive to scans and probes (fragile) may nd themselves facing

a sustained ood of these activities, as multiple internal devices are

compromised and repeat the same pattern.

e process illustrated in this series of diagrams applies pretty

much across the range of hi-jacking malware, even though the exam-

ple use ...