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Nozomi Networks pros and cons

Vendor: Nozomi

4.4 out of 5

18 reviews
100% willing to recommend

Pros & Cons summary

Nozomi Networks is renowned for its AI-based detection, excelling in intrusion detection and visibility into OT protocol traffic. It supports OT-oriented protocols such as OPC UA, DNP3, Modbus, and Siemens S7 while offering robust security for OT and IoT environments. However, challenges include complex query syntax, limited configuration customization, occasional performance issues, and high pricing. Improving on-premises AI and customization could enhance its reputation among tech buyers.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

Nozomi Networks excels in AI-based detection and intrusion detection.

Its support for OT-oriented protocols like OPC UA, DNP3, Modbus, and Siemens S7 is outstanding.

The security features of Nozomi Networks are highly valued.

Visibility into traffic flow and OT protocols is a significant advantage of Nozomi Networks.

Nozomi Networks provides robust security for OT and IoT environments.

CONS

Downtimes, crashes, or performance issues have been experienced with certain implementations.

The query syntax is very complicated, making it difficult to get desired results.

Nozomi Networks should improve its pricing.

Customization options for configurations are limited.

There is room for improvement regarding on-premises AI.

Nozomi Networks Pros review quotes

Senior Team Member In Engineering And Cybersecurity at Mindsprint

Apr 2, 2026

I believe it is the best.

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OT Cybersecurity SME at TUV Rhineland ,Oman

Jun 24, 2026

Nozomi Networks has positively impacted our organization since we are in the asset owner environment.

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Sr. Storage And Backup Engineer at a comms service provider with 51-200 employees

May 11, 2026

The best feature of Nozomi Networks is that it has built OT-oriented protocols such as OPC UA, DNP3, Modbus, and Siemens S7, and for these protocols, Nozomi Networks identifies them very perfectly.

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Nozomi Networks

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Cyber Security Consultant at a tech consulting company with 51-200 employees

Jun 27, 2026

The return on investment from Nozomi Networks is substantial, particularly concerning time saved.

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reviewer2803332

Country Sales Manager at a computer software company with 51-200 employees

Feb 17, 2026

Nozomi Networks has the best AI-based detection and intrusion detection solution, as it is very robust, easy to deploy, and easy to use with a very user-friendly GUI and good support in terms of product and after-sales support.

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Senior Cybersecurity Consultant at PwC

Jun 25, 2026

Nozomi Networks' best features include asset management as the top offering, providing a wide range of capabilities, along with vulnerability management backed by a very large and regularly updated PV data bank that provides the right direction with tested patches, plus financial calculations and reports based on NIST and other frameworks, all supported by a dashboard that delivers better visibility and sets Nozomi Networks apart from others.

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ES

Precise Engineer And Tender Specialist at Zenitha Group

Jun 28, 2026

Our last customer using Nozomi Networks is very happy with it and appreciates the reports and all features, and they use Nozomi Networks in the SOC where the technical people monitor and see the performance of the OT product and are very satisfied.

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Security Specialist at a tech consulting company with 51-200 employees

Mar 12, 2025

The most valuable features of Nozomi Networks are the visibility of OT protocols and the versatility in finding the details of the assets feeding the tool.

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reviewer2865966

Head Of Managed Security Services at a security firm with 201-500 employees

Jun 28, 2026

Nozomi Networks is the easiest to use, with the capability to build really quickly an overview of your infrastructure.

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Massimiliano La Camera

Business Development Account Manager at Xenia Network Solutions

May 20, 2024

The tool's visibility is good. We can see the traffic flow.

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Show 5 more reviews (out of 15)

Nozomi Networks Cons review quotes

Senior Team Member In Engineering And Cybersecurity at Mindsprint

Apr 2, 2026

On the negative side, I believe their AI, which is IQ, could be more improved.

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OT Cybersecurity SME at TUV Rhineland ,Oman

Jun 24, 2026

I see challenges with Nozomi Networks mainly as a detection or visibility tool, but it does not actively block traffic by design for safety reasons.

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Sr. Storage And Backup Engineer at a comms service provider with 51-200 employees

May 11, 2026

Regarding the functionality of Nozomi Networks, the query syntax is very complicated. The syntax of the queries is very complex, so sometimes you will not get what you want.

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Nozomi Networks

Free Report: Nozomi Networks Reviews and More

Learn what your peers think about Nozomi Networks. Get advice and tips from experienced pros sharing their opinions. Updated: June 2026.

902,495 professionals have used our research since 2012.

Cyber Security Consultant at a tech consulting company with 51-200 employees

Jun 27, 2026

In terms of improvements for Nozomi Networks, I believe clients have mentioned experiencing alert fatigue due to the high volume of notifications once they install the system in a previously unmonitored OT environment.

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reviewer2803332

Country Sales Manager at a computer software company with 51-200 employees

Feb 17, 2026

We have faced downtimes, crashes, or performance issues with certain implementations.

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Senior Cybersecurity Consultant at PwC

Jun 25, 2026

I chose eight out of ten because their customer services are something lacking.

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ES

Precise Engineer And Tender Specialist at Zenitha Group

Jun 28, 2026

Nozomi Networks pricing is very high.

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Security Specialist at a tech consulting company with 51-200 employees

Mar 12, 2025

Nozomi Networks currently offers add-ons, such as ARP agents, that can be installed on machines to expand the information we receive from sensors. However, these are part of a licensing structure, which can be costly.

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reviewer2865966

Head Of Managed Security Services at a security firm with 201-500 employees

Jun 28, 2026

Nozomi Networks can be improved in many points. First of all, reduce the cost. That is really important because many companies are not so huge and many companies cannot acquire this kind of licensing.

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Massimiliano La Camera

Business Development Account Manager at Xenia Network Solutions

May 20, 2024

Nozomi Networks should improve its pricing.

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Show 5 more reviews (out of 15)

Product Categories

Product Categories

Operational Technology (OT) Security

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Product Categories

Product Categories

Operational Technology (OT) Security

Popular Comparisons

Popular Comparisons

Idira Privileged Access Manager vs Nozomi Networks

Claroty Platform vs Nozomi Networks

Forescout Platform vs Nozomi Networks

Armis vs Nozomi Networks

Barracuda CloudGen Firewall vs Nozomi Networks

Dragos vs Nozomi Networks

Microsoft Defender for IoT vs Nozomi Networks

Tenable OT Security vs Nozomi Networks

TXOne Security Inspection vs Nozomi Networks

Honeywell Forge vs Nozomi Networks

Palo Alto Networks IoT Security vs Nozomi Networks

OPSWAT MetaDefender OT Security vs Nozomi Networks

Armis Centrix for OT/IoT Security vs Nozomi Networks

Fortinet OT Security Platform vs Nozomi Networks

Palo Alto Industrial OT Security vs Nozomi Networks

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