It has come to light that multiple operators supporting water supply infrastructure in the United States have become targets of cyberattacks exploiting stolen passwords. Attackers are using credentials leaked on the dark web and other platforms to attempt unauthorized access to the management privileges of highly public water systems. As a result, the impact on physical infrastructure control has emerged as a serious risk.
Rather than a specific product announcement, this is a report regarding security incidents within the US water infrastructure industry. The sharing of passwords across multiple accounts and inadequate management systems have been exposed among many water utilities, with reports showing these serve as direct entry points for exploitation. The failure of system administrators to implement minimum security measures is making it easy for attackers to break in.
Modern water systems incorporate OT (Operational Technology) networks, and in many cases, are configured to allow remote access via the internet for operational efficiency. The current reality—where administrator privileges can be reached using only readily available credentials without requiring sophisticated attack methods—significantly heightens the vulnerability of critical infrastructure.
Going forward, water infrastructure operators face urgent challenges, including the mandatory implementation of Multi-Factor Authentication (MFA), network segmentation, and the reinforcement of continuous monitoring systems. From the perspective of protecting US critical infrastructure, it is anticipated that regulatory tightening at the federal level and rigorous reviews of cybersecurity standards will accelerate.