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Nozomi Networks vs Tenable OT Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 10, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Nozomi Networks
Ranking in Operational Technology (OT) Security
1st
Average Rating
8.8
Reviews Sentiment
6.8
Number of Reviews
10
Ranking in other categories
IoT Security (2nd)
Tenable OT Security
Ranking in Operational Technology (OT) Security
4th
Average Rating
8.6
Reviews Sentiment
6.6
Number of Reviews
7
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Operational Technology (OT) Security category, the mindshare of Nozomi Networks is 16.5%, down from 29.5% compared to the previous year. The mindshare of Tenable OT Security is 7.9%, down from 11.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operational Technology (OT) Security Mindshare Distribution
ProductMindshare (%)
Nozomi Networks16.5%
Tenable OT Security7.9%
Other75.6%
Operational Technology (OT) Security
 

Featured Reviews

Apurva Nigam - PeerSpot reviewer
Senior Team Member In Engineering And Cybersecurity at Mindsprint
Comprehensive dashboards have enabled detailed asset visibility and proactive risk mitigation
On the negative side, I believe their AI, which is IQ, could be more improved. For example, when I export any data, there are only 50 columns available. What if there were more columns? Nozomi Networks does not provide that data, so I have to go to the query section. The AI is currently useful for writing queries in English that are converted into their coding language for queries. Sometimes it provides the correct data, and sometimes it does not understand the request. From my attempts, I would say 50 percent of the time it has given me the proper data, and 50 percent of the time it might need improvement. Every day or week, new threat intelligence and AI upgrades are being released for Vantage, and all those upgrades are being implemented. Things are getting better, but I believe there are areas of improvement.
AP
Senior Consultant at Payatu
Enables cost-effective asset and threat management while requiring improvements in support and training
The time it takes to train itself is a concern. Initially, it will not identify many assets, as it needs time to read the information before finding the assets. Some detections can go wrong, and it may not understand certain industrial protocols. While installation and deployment are easy, upgrading from one version to another can be challenging. When you assure clients they will receive minus two upgrades, sometimes upgrading through the cloud becomes difficult, requiring on-site upgrades. During upgrades, the previous configuration may be lost, creating support issues.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Nozomi Networks is an easy-to-use and powerful tool."
"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."
"This is a good product and I definitely recommend it."
"The most valuable feature of Nozomi Networks is its security features."
"It brings visibility into the OT environment because most of the enterprises only have methods to check their IT environment."
"The network visualization feature of Nozomi impacts security operations positively."
"Provides security for our operational technology environment for OT and IoT."
"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."
"I like Tenable OT Security for two main reasons. Firstly, it helps identify vulnerabilities and risks for IT and OT assets, which is crucial for our operations. Secondly, it performs external port scanning, including vulnerability scans for open ports. Compared to the Claroty Platform, the tool offers detailed asset discovery capabilities."
"The active query inventory is the most valuable feature."
"The biggest advantage is that with good infrastructure, you can utilize asset planning when using Nessus along with Tenable OT Security."
"The initial setup was very easy, and I would rate it a ten out of ten."
"The product has easy-to-manage features and components."
"The clear distinction between IT and OT that Tenable OT provides is its most valuable feature."
"The product’s price is its most valuable feature."
"It's for securing the vulnerability of the OT solutions they are using. We mitigate those through patch management activities and find vulnerabilities easily with this security solution."
 

Cons

"Creating custom queries is time-consuming."
"Proof of concept could be improved. It could be more tangible to the customer and the end users to have a video presentation or something like that."
"Nozomi Networks should improve its pricing."
"It should support more programmable logic controllers (PLCs)."
"Proof of concept could be improved. It could be more tangible to the customer and the end users to have a video presentation or something like that."
"On the negative side, I believe their AI, which is IQ, could be more improved."
"I would like more customizable options for configurations."
"We have faced downtimes, crashes, or performance issues with certain implementations."
"Tenable OT Security is fine, but I find it more language-based rather than structured. It feels like something is on a web page, and the dashboards and data representations are not cool. First of all, I said that the tool view should be improved. It looks pretty old. Second, the details Tenable OT Security provides regarding the metadata they work with should be more in-depth. Its main focus is vulnerability management, which is fine, but what about threat actors? What about attack vectors and OT vulnerabilities? There are major areas, baselines, etc. that need attention."
"The solution should provide more features to prevent attacks."
"During upgrades, the previous configuration may be lost, creating support issues."
"Tenable.ot's integration with one of the products needs improvement."
"As an IT security professional, I would like to see automation improvements in the response part of Tenable OT Security."
"The solution could detect changes in reading variables. The support of IoT devices can be improved."
"As an IT security professional, I would like to see automation improvements in the response part of Tenable OT Security. However, I understand that implementing automation in OT environments can be quite challenging."
"Tenable OT product is good, but OT security itself is still maturing."
 

Pricing and Cost Advice

"I have not seen any competition in terms of pricing, and it is quite reasonable."
"The solution's pricing is good and cheaper than that of Claroty."
"The tool's pricing is fair enough."
"The product is inexpensive."
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893,244 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Manufacturing Company
14%
Energy/Utilities Company
11%
Computer Software Company
8%
Comms Service Provider
7%
Manufacturing Company
15%
Energy/Utilities Company
15%
Computer Software Company
8%
Retailer
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Large Enterprise3
By reviewers
Company SizeCount
Small Business4
Large Enterprise4
 

Questions from the Community

What is your experience regarding pricing and costs for Nozomi Networks?
Nozomi Networks and Claroty are on the expensive end of the market, so the client should have those budgets available.
What needs improvement with Nozomi Networks?
On the negative side, I believe their AI, which is IQ, could be more improved. For example, when I export any data, there are only 50 columns available. What if there were more columns? Nozomi Netw...
What is your primary use case for Nozomi Networks?
I am a service provider handling the portal for Nozomi Networks across 35 different sites. I use the dashboard, Vantage, Guardian, and CMC. I have configured everything and use the system as both a...
What is your experience regarding pricing and costs for Tenable OT Security?
Considering the cost and that it is affordable, I would rate it at seven.
What needs improvement with Tenable OT Security?
The time it takes to train itself is a concern. Initially, it will not identify many assets, as it needs time to read the information before finding the assets. Some detections can go wrong, and it...
What is your primary use case for Tenable OT Security?
I am using it for Asset Discovery, vulnerability management and threat intel. Tenable OT Security is for asset management, vulnerability management as continuous threat detection for OT ICS environ...
 

Also Known As

SCADAguardian
Tenable.ot
 

Overview

 

Sample Customers

Enel, FireEye, GlaxoSmithKline, VEC, TAGSEC Group
Nesher Cement Enterprises, City of Raleigh
Find out what your peers are saying about Nozomi Networks vs. Tenable OT Security and other solutions. Updated: April 2026.
893,244 professionals have used our research since 2012.