Explore the vulnerabilities of control systems in drinking water utilities in this 47-minute conference talk. Delve into the critical importance of water security and the potential threats posed by various attackers, including insiders, internet-based threats, and mobile devices. Examine the potential effects of cyber attacks on national water infrastructure, focusing on Supervisory Control and Data Acquisition (SCADA) systems. Learn about the technical fixes needed to address these vulnerabilities and the progress made in securing water systems. Gain insights into the ongoing challenges and future directions for protecting this vital resource from cyber threats.