Engineering Blind Spots_What Control Engineers Don’t Model as “Security Risk”
By Muhammad Ali Khan ICS/ OT Cybersecurity Specialist — AAISM | CISSP | CISA | CISM | CEH | ISO27001 LI | CHFI | CGEIT | CDCP Introduction: The Gap Between Reliability and Adversarial Reality Industrial control systems are engineered to survive equipment failure, environmental stress, and operator error. Control engineers excel at modeling process deviations, fault tolerance, redundancy, and safety margins. What they do not model well — often at all — is intentional, adaptive, and adversarial behavior . This is not negligence. It is a consequence of how control engineering evolved. ICS environments were designed under assumptions of trust, physical isolation, deterministic behavior, and benign failure modes . Cybersecurity violates every one of those assumptions. As a result, many of the most damaging OT cyber incidents did not exploit unknown vulnerabilities. They exploited engineering blind spots — conditions engineers never classified as “security risk” because they fall...