Real-World ICS Security Tales From the Trenches

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Industrial control systems (ICS) and operational technology (OT) environments are often described as quiet, highly controlled worlds. In reality, they contain a range of risks, unexpected configurations, and operational complexities that are difficult to fully uncover through standard penetration testing or conventional risk assessments.

SecurityWeek spoke with several ICS security experts and companies about their most memorable experiences in the field. These are not theoretical scenarios or lab simulations — they are real situations they encountered while working directly with organizations.

Their stories highlight the gap that often exists between written security policies and what actually happens on the plant floor.

Here are some of the most interesting and cautionary tales shared by ICS security experts, straight from the trenches:

John Simmons, FortiGuard Incident Response, Americas, Fortinet:

“During an incident response engagement in the Middle East, the FortiGuard Incident Response team identified what appeared to be an Iranian-linked APT threat...

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