NIST Releases Cybersecurity Guidance for Water Utilities Amid Rising Threats

• •NIST released guidelines for secure remote access in water utilities on June 24, 2026.
• •The guidance includes role-based access controls and emphasizes zero-trust architecture.
• •Water utilities face significant threats from state-sponsored cyber actors, particularly from Iran and China.

On June 24, 2026, NIST published final guidelines for cybersecurity in the Water and Wastewater Sector, addressing the need for secure remote access to operational technology. The guidance includes architectures for implementing role-based access controls and multi-factor authentication, highlighting the importance of tailored cybersecurity practices for utilities. Water utilities are increasingly targeted by cyber threats, particularly from state-sponsored actors linked to Iran and China. The document emphasizes the necessity of employing least-privilege principles and zero-trust architecture to mitigate risks. Despite federal scrutiny and assistance from volunteer security professionals, the sector remains vulnerable. The publication is a response to the growing digital transformation and associated cybersecurity risks faced by water utilities.