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Cybersecurity for Water & Wastewater Utilities

The Nozomi Networks platform helps water and wastewater utilities bolster cyber and operational resilience by automating asset inventory, calculating asset risk, prioritizing vulnerability management, detecting threats and anomalies, and assisting with incident response.

Top Cyber Challenges for Water & Wastewater Facilities 

Budget Constraints

Tightly controlled rate increases are earmarked to replace aging water and sewer pipes, not bolster cyber resilience.

Lack of Expertise

Especially at small municipal water systems, water districts typically can’t afford trained OT security staff to deal with cyber threats.

Poor Cyber Hygiene

Outdated equipment connected to the internet, default passwords and unpatched vulnerabilities are the norm.

High “Scare Factor”

Nation-state actors know they can exploit weak cyber defenses to cause disruption and gain notoriety without actually harming the water supply.

Enel Secures their Global Power Generation Network

Read how Enel, a global energy company operating in 30 countries across 4 continents, improved the reliability, efficiency and cybersecurity of its power generation plants and networks with Nozomi Networks.
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Nozomi Network's Cybersecurity Solution for Water & Wastewater 


Automate OT/ICS asset inventory for unparalleled visibility, complete with deep insights into asset behavior and communications.


Detect cyber incidents and operational anomalies such as failing equipment or network stability issues before they cause harm.


Prioritize the most critical risks and accelerate remediation with actionable intelligence, playbooks and forensic tools.


Exceed CISA & EPA Guidelines aimed at protecting SCADA systems, HMIs, and other common industrial control systems from cyberattacks.

Sample Deployment Architecture for Water

Nozomi Networks’ flexible, scalable architecture and integrations make it easy to tailor our solution for your unique environment.

Building Cyber Resilience in the Water Sector

This white paper explains the growing cyberthreats that water utilities worldwide are facing and how to prevent or minimize damage from attacks.

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Episode 4: INSM Systems Classification

How are you going to classify your INSM system? As an EACMS, PCA, or BCSI storage location? The classification can significantly affect the effort required to stay compliant with CIP-015. This ses...

How to Ensure You Have Complete OT/ICS Asset Visibility

It takes a combination of passive and active cybersecurity sensors, OT/IoT protocol support, third-party connectors and AI-powered asset intelligence to achieve a complete asset inventory.

Using Nozomi Asset Intelligence to Simplify OT Asset Management

Managing a large asset inventory with dozens of different vendors, terms and device types can be a huge challenge. Our Asset Intelligence engine harnesses the power of machine learning algorithms t...

Nozomi Networks Report: Building Cyber Resilience in the Water Sector

Learn more about how to protect this critical community resource with stronger cybersecurity for water utilities.

Building Cyber Resilience in the Water Sector with Nozomi Networks

This white paper explains the growing cyberthreats that water utilities worldwide are facing and how to prevent or minimize damage from attacks.

How to Classify Your NERC CIP-015-1 INSM System Correctly

NERC CIP-15-1 requires entities to classify their INSM system as a PCA, EACMS or BCSI. Avoid headaches by determining the right classification based on location, function and data.

How to Classify Your NERC CIP-015-1 INSM System Correctly

NERC CIP-15-1 requires entities to classify their INSM system as a PCA, EACMS or BCSI. Avoid headaches by determining the right classification based on location, function and data.

Nozomi Networks Academy | Course Catalog

Nozomi Networks Academy offers public and private instructor-led training, on-demand courses, and self-directed eLearning to help you and your team excel in your understanding of Nozomi Networks so...

Product Tour

Explore Nozomi Networks' interactive asset inventory management product tour, featuring real-time asset visibility, threat detection, and AI-driven insights.

Download the 2026 Gartner Magic Quadrant for CPS Protection Platforms

Nozomi Networks is a Leader in the Magic Quadrant™ for Cyber-Physical System Protection Platforms

Get Complete Asset Data & Context

See how the Nozomi Networks platform automates asset inventory with passive and active monitoring, DPI and AI-enhanced detection

INSM & NERC CIP: What Municipal Electric Utilities Need to Know

Learn how INSM helps municipal electric utilities meet NERC CIP requirements, improve OT visibility, and strengthen critical infrastructure security.

Nozomi Networks Labs Discovers 9 Vulnerabilities Affecting Cognex InSight IS2000M-120 Smart Camera

Nozomi Networks Labs discovered vulnerabilities in the Cognex IS2000M-120 industrial smart camera.

NERC CIP Compliance Guide

This mapping guide demonstrates how Nozomi Networks’ platform supports the NERC CIP compliance requirements.

Preparing for NERC CIP-015-1: Internal Network Security Monitoring for Electric Utilities

The NERC CIP-015-1 reliability standard mandating internal network security monitoring has been approved and goes into effect September 2, 2025, kicking off implementation timelines for BESs. Here'...

Episode 3: Sensor Placement and Network Data Feeds with SEL and Emerson

Join Will Edwards, Head of Cyber Services at Schweitzer Engineering Laboratories (SEL), Nicholas Janouskovec, Global Cybersecurity at Emerson, and Markus Mueller as they break down how to effective...

NERC CIP‑015 in Practice: Early Challenges and Common Pitfalls for Utilities

As NERC-regulated utilities begin to tackle CIP-015, here are some challenges and pitfalls they’re running into, from underestimating the data management and evidence collection burden to treating ...

4 OT Attack Scenarios: How Arc Embedded Detects Threats in Your Networks

Modernizing Asset Inventory: A Smarter Approach to Securing Industrial Environments

See how modernizing asset inventory enhances security and compliance in industrial environments through improved visibility and risk management

Counterpoint: Not All OT Security Acquisitions Are the Same

Mitsubishi Electric is acquiring Nozomi not simply for our technology, but for our established and growing market position, strong customer base, and proven revenue stream.

Winning the AI-Powered Cyberwar

This eBook looks at how AI is being used to power cyberattacks, including attacks on AI systems and models, and how defenders are harnessing it to protect their environments.

Counterpoint: Not All OT Security Acquisitions Are the Same

Mitsubishi Electric is acquiring Nozomi not simply for our technology, but for our established and growing market position, strong customer base, and proven revenue stream.

Nozomi Arc: An Endpoint Sensor for OT and IoT Cybersecurity Environments -June 2025

Nozomi Networks Vantage

Vantage leverages the power and simplicity of SaaS to deliver unmatched security and visibility across your OT, IoT & IT networks.

Arc Embedded for Schneider Electric SCADAPack 47xi RTUs

Nozomi Arc embedded directly into Schneider Electric RTUs is the next evolution in cyber-physical system protection.

Episode 2: INSM Current State of Implementations

Are you running behind, on track or ahead of schedule with your CIP-015 INSM implementation? Do you know? In this session, we’ll look at what requirements early adopters and strategic planners are ...

To Close the OT Cybersecurity Skills Gap, Let AI Do What AI Does Best

Between flat cybersecurity budgets and a shortage of experienced OT/IoT cybersecurity professionals, industrial environments present the ideal use case for AI.

Top Five Global Airport Improves Visibility and Security | Case Study | Nozomi Networks

Read the Top Five Global Airport Improves Visibility and Security case study and learn more.

Get Ready: NERC CIP-015-2 Will Expand INSM Beyond the Electronic Security Perimeter

Get Ready: NERC CIP-015-2 Will Expand INSM Beyond the Electronic Security Perimeter

Get Ready: NERC CIP-015-2 Will Expand INSM Beyond the Electronic Security Perimeter

Get Ready: NERC CIP-015-2 Will Expand INSM Beyond the Electronic Security Perimeter

The Security Sandbox | Combined OT, IoT and IT Threat Intelligence

Buyer’s Guide to OT & IoT Asset Inventory Solutions for Security Leaders

The Valencian Health Department Improves Security and Protection | Case Study | Nozomi Networks

Read the The Valencian Health Department Improves Security and Protection case study and learn more.

Vermont Electric Improves ICS Cybersecurity | Case Study | Nozomi Networks

Read the Vermont Electric Improves ICS Cybersecurity case study and learn more.

Unparalleled Asset Inventory: Solution Brief

Nozomi Asset Intelligence:PRODUCT OVERVIEW

NERC-CIP Compliance Guide

The Security Sandbox | Our Journey to Becoming a Leader for CPS Protection Platforms

EPA Memorandum Directs Public Water Systems to Survey OT/ICS Cybersecurity

A Memorandum from the EPA seeks to identify cybersecurity deficiencies that could impact safe drinking water in U.S. state public water systems.

Episode 2: INSM Current State of Implementations- OLD

Are you running behind, on track or ahead of schedule with your CIP-015 INSM implementation? Do you know? In this session, we’ll look at what requirements early adopters and strategic planners are ...

The Nozomi Networks Platform for OT, IoT and CPS Security

Cybersecurity and Analytics for Industrial Control, OT and IoT Networks

Nozomi-Networks-Asset-Management-Webinar-2025

Episode 1: What Utilities Are Actually Running Into — and How They’re Solving It

In this session will explore how security and compliance teams are approaching INSM in practice — where they’re running into challenges, what early implementations are revealing and how risk-based ...

Oil & Gas Producer Deploys Global ICS Security Program | Case Study | Nozomi Networks

Read the Oil & Gas Producer Deploys Global ICS Security Program case study and learn more.

Mapping the Ransomware Landscape: Global Hotspots and Emerging Threats

We look at the most recent trends in the ransomware landscape, based on the unique real customer data, including top ransomware families, most targeted countries and industries.