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The Leader in OT & IoT Security and Visibility

Unlock visibility across OT, IoT, and IT for
accelerated security and digital transformation.


All OT and IoT assets and
behavior on your networks
for unmatched awareness


Cyber threats, vulnerabilities,
risks and anomalies for
faster response


Security, visibility and
monitoring across all your
assets for improved resilience

Nozomi Networks Integrates with ServiceNow

Join Nozomi Networks at S4x22 in Miami, April 2022!

S4x22 brings the best of OT/ICS cybersecurity to one place. From speaking sessions to the Cabanas, there will ample opportunity to learn how Nozomi Networks is helping the largest critical infrastructure organizations maneuver the world of OT/IoT Security.

Learn More


Nozomi Networks Integrates with ServiceNow
New Research

The S3CUREC4M Project: Vulnerability Research in Modern IP Video Surveillance Technologies

Learn how to assess the security posture of an IP video surveillance system, including hardware extraction and firmware analysis techniques.

Read Now


Nozomi Networks Integrates with ServiceNow
New Vantage Features

Vantage Update: Delivering a New Level of Prioritized Actionable Intelligence for OT/IoT Networks

Enhancements include customized playbooks for precise response, and vulnerability assessment scores that help security teams quickly execute high-impact remediation steps.

Blog | Press Release | Webinar


Nozomi Networks Integrates with ServiceNow
Vantage Honored for Excellence in Innovation

Nozomi Networks Receives 2021 IoT Excellence Award

Nozomi Networks Vantage has received a 2021 IoT Excellence Award presented by TMC and Crossfire Media.

Press Release

A SANS 2021 Survey: OT/ICS Cybersecurity

A SANS 2021 Survey: OT/ICS Cybersecurity

Read the latest findings on OT/ICS cybersecurity in the Nozomi Networks-sponsored SANS 2021 survey.

Download the Report | Press Release

New Research: OT/IoT Security Report
New Research

New Research: OT/IoT Security Report

Protect your operations with new insights into fighting ransomware and IoT vulnerabilities, along with actionable recommendations for securing your operational systems. Read the executive summary or full 40-page report.

Download ReportBlog | Webinar

in Key Industries

Securing the World’s Largest Organizations

Operational Technology Security*

Client quotes

The Guardian appliance is powerful, their team is skilled, they solved our problem.

Nozomi has provided a high level of customer service and expertise throughout our procurement and implementation process. Their sales, engineering, and support teams are excellent and their product is best in class.

Innovative, easy to implement and even easier to maintain.

From POC to implementation Nozomi has been quick to answer questions, provide feedback, and extensive support … Guardian is feature rich and Nozomi offers many different solutions for all aspects of our OT environment…

Once you try Nozomi and its rich feature set you cannot imagine operating without it!

Nozomi hands down wins the evaluations … the Nozomi platform was able to pick out and properly categorize more L2 devices than any other tool in the market place.

This product keeps its promises.

Guardian gives us precise alerts, with almost no false positives. Real events are clearly visible with the risk level indicator, making it easy to decide when and how to react.

Ease of deployment, behavioural baselining, visibility and granular asset inventory.

Nozomi won hands down in terms of key features … The superb support and technical know-how provided by their Lead Engineer … [was] a key deciding factor.

Nozomi Networks is the leader in OT and IoT security and visibility. We accelerate digital transformation by unifying cybersecurity visibility for the largest critical infrastructure, energy, manufacturing, mining, transportation, building automation and other OT sites around the world.


Devices Monitored

Our innovation and research make it possible to tackle escalating cyber risks through exceptional network visibility, threat detection and operational insight.

Global Partner

Partnering to Optimize
OT and IoT Security

ABB logo
Accenture logo
Atos logo
Capgemini logo
Deloitte logo
Fireeye logo
GE power logo partner
Honeywell logo
IBM security logo partner
NTT trasp logo
Orange Cyberdefense Logo
schneider electric logo
siemens logo
telefonica logo
T Systems Logo
Yokogawa logo

Deeply Aligned with
Trusted OT/IoT/IT Partners


Industrial Strength
OT and IoT Security and Visibility

The Nozomi Networks solution is deployed in a wide variety of mixed environments for rapid asset discovery, network visualization and accelerated security.

Cloud based OT, ICS, and IoT Protection Diagram with Vantage


Organizations undergoing digital transformation need to focus on operational technology security.

Methods for Extracting Firmware from OT Devices for Vulnerability Research

This second part of our hardware hacking series focuses on how to dump the memory contents for two different kinds of memory packages, WSON and SOP/SOIC.

2022 OT/IoT Security Predictions

The Year of the Defender – 2022 Predictions for OT/IoT Security

2021 was an unprecedented year for OT, IoT and ICS security, with news-making attacks like Colonial Pipeline, JBS, Oldsmar Water and Kaseya – and coming to a close with the Log4j vulnerability. As we enter the new year, ransomware and threats to OT/ICS environments...

Web Interface Flaw Threatens Reliability of Cyber-Physical Systems

Today Nozomi Networks Labs announced the discovery & disclosure of a vulnerability in the web interface of the Schneider Electric Power Distribution Unit (PDU)-the APC AP7920B. Based on the flaw, about 10% of all desktop browsers worldwide could have been successfully leveraged to execute an attack.


In the World of Unsecure IoT – Is Privacy Dead?

S2 E9 | PODCAST — NOVEMBER 18, 2021In the World of Unsecure IoT – Is Privacy Dead? Join our esteemed panel of experts who are covering data privacy across IoT devices, smart cities and IoT infrastructure – who says privacy is dead?

Understanding the Risks to Operational Technology (OT) – Podcast

S2 E8 | PODCAST — OCTOBER 7, 2021Understanding the Risks to Operational Technology (OT) Gain a better understanding of the gap between OT and IT – hear what our experts are saying about security, visibility and convergence.

Defending Smart Cities from Cyber Threats – Podcast

S2 E7 | PODCAST — AUGUST 19, 2021Defending Smart Cities from Cyber Threats Join us as we embark upon a journey to secure our digital cities, including foundational technologies as CCTV’s. CCTV’s are used in local government, utilities, transportation systems,...

Learn More About OT and IoT Security and Visibility

OT & IoT security and visibility solutions

Nozomi Networks

Nozomi Networks Vantage data sheet


Closing the IoT Security Gaps With Nozomi Networks Executive Brief

Closing IoT Security Gaps in Your Operations

Executive Brief - Integrating OT into IT/OT SOCs

Integrating OT into IT/OT SOCs

The Cost of OT Cybersecurity Incidents and How to Reduce Risk Executive Brief

The Cost of OT Cybersecurity Incidents and How to Reduce Risk

Advancing ICS Visibility and Cybersecurity

Advancing ICS Visibility and Cybersecurity

Nozomi Networks is the leader in IoT and OT security

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