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Claroty Platform vs Tenable Nessus comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 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

Zafran Security
Sponsored
Ranking in Vulnerability Management
18th
Average Rating
9.4
Reviews Sentiment
8.2
Number of Reviews
5
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (2nd)
Claroty Platform
Ranking in Vulnerability Management
17th
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
16
Ranking in other categories
Remote Access (8th), Operational Technology (OT) Security (2nd), Cyber-Physical Systems Protection (2nd)
Tenable Nessus
Ranking in Vulnerability Management
3rd
Average Rating
8.4
Reviews Sentiment
7.3
Number of Reviews
81
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 0.8%, up from 0.0% compared to the previous year. The mindshare of Claroty Platform is 0.7%, up from 0.3% compared to the previous year. The mindshare of Tenable Nessus is 8.8%, down from 13.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vulnerability Management
 

Featured Reviews

Israel Cavazos Landini - PeerSpot reviewer
Weekly insights and risk analysis facilitate informed security decisions
I appreciate the weekly insights Zafran provides, which include critical topics for networks and IT security, allowing us to evaluate which insights apply to our environment. The organization score feature is valuable to keep the leadership team updated on how our infrastructure fares security-wise. The applicable risk level versus base risk level feature is beneficial because prior to Zafran, we only used the base risk level, but now understand that risk depends on the asset itself. Zafran is an excellent tool.
Deevanshi Priya - PeerSpot reviewer
Achieve certifications with progress tracking and potential for enhanced interactivity
I was using Claroty to complete training assigned by my company. The courses were self-paced and helped me get certified in two additional certifications. I plan to use it further as I have a task list for future courses. It was primarily for certification and study materials The feature I like…
HarshBhardiya - PeerSpot reviewer
Provided increased visibility across the organization's servers
The user interface of Tenable Nessus feels outdated and could be more user-friendly. Additionally, the documentation is not well-organized, which can be confusing when searching for solutions or specific information related to Tenable Nessus Professional. The reporting feature could be improved by allowing users to create their own templates instead of relying on predefined ones.

Quotes from Members

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

Pros

"Zafran is an excellent tool."
"We saw benefits from Zafran Security almost immediately after deploying it."
"Zafran has become an indispensable tool in our cybersecurity arsenal."
"Overall, we have seen about eighty-seven percent reduction of the number of vulnerabilities that require urgency to remediate, specifically the number of criticals."
"We are able to see the real risk of a vulnerability on our environment with our security tools."
"The tool's best feature was the UI and the simplicity it offers."
"The platform ensures security without imposing significant delays."
"The solution's asset management is really great compared to Dragos or Nozomi."
"Claroty assigns a score based on how well you are doing in the course. If you skip a video, your score decreases, making it essential to watch the content attentively."
"The solution's most valuable feature is the map, which shows everything that is connected and communicates with each other."
"Claroty is very beneficial for learning and adds value to your resume."
"The product helps mitigate potential threats, especially if its users have signature rules. The product also provides alerts."
"I have had a very good experience with the Claroty Platform."
"The most valuable feature of Tenable Nessus is the GUI and user-friendliness. Additionally, the environment is easy to work with."
"The most valuable feature of Tenable Nessus is real-time monitoring."
"We looked at Tenable, Qualys and Rapid7. We found Tenable was the best of all three."
"Nessus gives me a good preview of vulnerabilities and good suggestions for remediation. It's easy to find a description of a given vulnerability and solutions for it."
"User friendly and good dashboards."
"Tenable Nessus is one of the best vulnerability assessment tools, that I know."
"My favorite part about Nessus is that you can customize the tool to scan exactly what you want. Microsoft releases new patches monthly on Patch Tuesday, and a lot of companies track that date. I set up Nessus for the day after Patch Tuesday to see which devices have already pushed those updates from Microsoft, so we can stay updated."
"The results are not that bad, but the key selling point is that it is an affordable tool set."
 

Cons

"I think the ability to have some enhanced reporting capabilities is something they can improve on, as they have good reports but we have asked for some specific reporting enhancements."
"Initially, we were somewhat concerned about the scalability of Zafran due to our large asset count and the substantial amount of information we needed to process."
"The dashboarding and reporting functionality of Zafran Security is an area that definitely could use some improvements."
"Occasionally, I face a login problem despite entering the correct password."
"The graphical user interface is quite poor."
"There is room for improvement in the user interface to make it more vibrant and interactive, similar to IT tools. Improvements could also be made in the Secure Remote Access (SRA) user interaction and graphical representations of recordings."
"The product could be improved in terms of user interface design."
"Introducing an AI chatbot to assist you when you have doubts could be beneficial."
"Claroty Platform could improve the pricing to get more acceptability in the market."
"Claroty Platform only gives the vulnerabilities based on the make and model of the devices, so it doesn't provide any resolution or any detailed explanation of how one can resolve such issues."
"The Claroty Platform becomes too noisy when it gives numerous CVEs related to vendor match. Sometimes, these CVEs are not actually related to the device in the firmware at the site."
"One area that has room for improvement is the reporting. I'm preparing reports for Windows and Linux machines, etc. Currently, I'm collecting three or four reports and turning them into one report. I don't know if it is possible to combine all of them in one report, but that would be helpful."
"It would be better if they had application-level support for mobile devices. They don't have anything to scan mobile devices. Tenable Nessus doesn't have a mobile application vulnerability assessment. I also have issues with the false positive rates. The product has limited features."
"The user interface of Tenable Nessus feels outdated and could be more user-friendly."
"They could make their reporting a little better."
"Consumes more system resources when it's running."
"The scalability of Tenable Nessus is good. However, it could be more flexible."
"The tool needs to upgrade asset tracking."
"It would be nice for the professional module to include some of the reports available in the expert module."
 

Pricing and Cost Advice

Information not available
"It's a bit expensive compared to other solutions."
"The licensing for physical devices is cheap, but the software version is expensive. The software version costs around 26-28 dollars. I was surprised and even double-checked. It was shocking."
"The tool is quite expensive."
"Nessus is affordable, but its licensing model could be improved with more flexibility for adding assets."
"I rate the product's price seven or eight on a scale of one to ten, where one is low price and ten is high price."
"Its pricing is great and can't be improved. It is very cheap. It is less than 2,000 pounds a license, and you can't really ask for more. It has unlimited IPs and unlimited scans. There are no particular pricing constraints. The only additional cost is the inherent cost of the people to actually review the actual scans."
"Our organization is huge so our license costs $30,000."
"The price is high for the solution. There are free tools with similar functionality available. The solution cost approximately $3,500."
"Tenable Nessus is affordable."
"Cost-wise, it's an affordable tool."
"The pricing is much more manageable versus other products."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
11%
Manufacturing Company
7%
Healthcare Company
6%
Manufacturing Company
16%
Computer Software Company
13%
Energy/Utilities Company
9%
Financial Services Firm
5%
Educational Organization
19%
Computer Software Company
11%
Financial Services Firm
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Zafran Security?
The current pricing of Zafran Security is fair overall. They were good to work with to accommodate our organization w...
What needs improvement with Zafran Security?
The dashboarding and reporting functionality of Zafran Security is an area that definitely could use some improvement...
What is your primary use case for Zafran Security?
Zafran Security is helping reduce the amount of critical vulnerabilities in our environments that require prompt reme...
Which solution do you prefer: Nozomi Networks or Claroty Platform?
Nozomi Networks and Claroty Platform are both leading operational technology (OT) security solutions offering a wide ...
What do you like most about Claroty Platform?
The product helps mitigate potential threats, especially if its users have signature rules. The product also provides...
What needs improvement with Claroty Platform?
Regarding the cons of the Claroty Platform, it is not about the deployment, but rather the identification. The Clarot...
How would you choose between Rapid7 InsightVM and Tenable Nessus?
You have full visibility across cloud, network, virtual, and containerized infrastructures with Rapid7 Insight VM. Yo...
What's the difference between Tenable Nessus and Tenable.io Vulnerability Management?
Tenable Nessus is a vulnerability assessment solution that is both easy to deploy and easy to manage. The design of ...
What do you like most about Tenable Nessus?
We have around 500 virtual machines. Therefore, we conduct monthly scans and open tickets for our developers to addre...
 

Overview

 

Sample Customers

Information Not Available
Rockwell Automation
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Find out what your peers are saying about Claroty Platform vs. Tenable Nessus and other solutions. Updated: June 2025.
860,168 professionals have used our research since 2012.