Water & Wastewater OT Cybersecurity: Protecting PLCs, SCADA, Pumps, Treatment Plants and Drinking-Water Infrastructure from Cyberattack

Someone raised the lye setpoint a hundredfold from a home computer. An operator caught it. Would yours?Water utilities run some of the most exposed and least funded operational technology in critical infrastructure. Iran-linked crews defaced internet-facing PLCs at US water sites through default passwords; a Polish city came within a keystroke of losing its supply. The attacks are rarely sophisticated - the exposure is. This is the defence manual for the utilities that keep water safe.This practical manual shows you how to: - Map treatment-process risk across intakes, dosing and pump stations- Secure PLCs, SCADA and RTUs without disrupting operations- Segment and monitor OT networks on a real-world budget- Build ransomware readiness, manual operations and recovery- Execute a concrete 90-day improvement plan - even part-timeWho it's for: Water and wastewater operators, utility managers, SCADA engineers, and small-system defenders.Every chapter opens on a real, dated, documented incident and closes with a one-line Boardroom Intelligence takeaway a director can act on. A full Source-Notes appendix lets every claim be checked."Clean water is a control system now."About the author Professor Kai London (CISSP, CISM) is an internationally recognised cybersecurity executive, board advisor and author with 25+ years defending banking, aviation, defence, government and critical national infrastructure.This single, exhaustively engineered reference is built to replace an entire shelf of vendor manuals and generic water-sector primers - every chapter, checklist, and pump-and-treatment-plant template is designed for immediate use by working water and wastewater OT security teams, making it the highest-value, most complete investment a utility or security program can make in protecting drinking-water infrastructure.