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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
16th
Average Rating
9.6
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (1st)
Claroty Platform
Ranking in Vulnerability Management
18th
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
1st
Average Rating
8.4
Reviews Sentiment
6.1
Number of Reviews
85
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 0.9%, 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 8.4%, down from 12.8% 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 has become an indispensable tool in our cybersecurity arsenal."
"We saw benefits from Zafran Security almost immediately after deploying it."
"We are able to see the real risk of a vulnerability on our environment with our security tools."
"Zafran is an excellent tool."
"Overall, we have seen about eighty-seven percent reduction of the number of vulnerabilities that require urgency to remediate, specifically the number of criticals."
"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."
"Their SRA solution, the Secure Remote Access solution, is very useful for industrial environments."
"The platform ensures security without imposing significant delays."
"Claroty is very beneficial for learning and adds value to your resume."
"The solution's most valuable feature is the map, which shows everything that is connected and communicates with each other."
"The tool's best feature was the UI and the simplicity it offers."
"I believe the two main aspects where Claroty stands out are their ability to provide a complete platform and their OT-specific focus."
"Customer service is number one and the best."
"The reports are pretty nice and easy to understand."
"I find the features that are most valuable are the policies that help us identify the vulnerabilities. These policies are then used for scanning instabilities and then identifying the particular vulnerabilities."
"Tenable Nessus has a good performance, is very user-friendly, and is easy to use."
"The most valuable feature of Tenable Nessus is real-time monitoring."
"The support has been really cooperative."
"The plug-in text information is quite useful."
"The most valuable aspect of this solution is that you receive the entire report, which details the breakdown, especially in terms of critical, high, low, and mediums."
"Overall Zoom is a good solution."
 

Cons

"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."
"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."
"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 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."
"For improvement, I think the training could be more practical. We have external training, but they're mostly theoretical. I want the solution to provide hands-on lab experience to help users learn better."
"There is room for improvement in the user interface to make it more vibrant and interactive, similar to IT tools."
"There should be AI security solutions implemented."
"The graphical user interface is quite poor."
"Claroty Platform could improve the pricing to get more acceptability in the market."
"One area with room for improvement is instead of there just being a PDF format for output, I'd like the option of an Excel spreadsheet, whereby I could better track remediation efforts and provide reporting off of that."
"You can scale Nessus to the extent that you can afford it. You need to have a license for every device you scan. As long as you can afford the increased costs, you won't have a problem scaling it."
"They have added a new Tenable Nessus Expert. That is their new product, which caters to the cloud and everything else. I am assuming that the new features and product enhancements are based on that tool set, but we haven't reviewed it yet."
"We have had some false positives in the past, which we hope can improve in the future."
"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."
"It would be nice for the professional module to include some of the reports available in the expert module."
"The scalability of Tenable Nessus is good. However, it could be more flexible."
"The product could have unique features similar to one of its competitors."
 

Pricing and Cost Advice

Information not available
"The tool is quite expensive."
"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."
"It's a bit expensive compared to other solutions."
"The solution is worth the cost. It's a good investment."
"The product pricing is dynamic and varies based on the specific needs of each project and customer."
"The solution has free options."
"I think the price is fairly affordable. It provides a license that is fair."
"In general, it is extremely expensive."
"Nowadays, your vulnerability applications are going to be kind of pricey because lots of them, including Rapid7, are based upon a base price, but then they add in the nodes. That's where they get you. If you're a big network, obviously, you need to scan everything. Therefore, it's going to be costly. The risk and insurance money associated with having ransomware on my networks is going to cost me more money, time, and marketing than the price of the tool. That's why I'm speaking only as an information security officer to security operations. This is the tool that is there in my toolbox to say whether we vulnerable or not. At this point, I don't care about how much it costs my company to have it because if I wasn't able to report it and we got ransomware, then who cares? I'm probably going to be out of business because it happened. That's why I don't care about the price. I have it, and I could use it effectively and do my report. At the end of the day, even if we get ransomware, as long as I reported it, followed my protocol, and put in the change, irrespective of whether it was ignored or denied, I did my job."
"The price of the solution is reasonable."
"The cost is around $4,300 per year. Use is unlimited. You don't pay more if you want to use it for another IP."
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Computer Software Company
10%
Manufacturing Company
7%
Healthcare Company
6%
Manufacturing Company
15%
Computer Software Company
12%
Energy/Utilities Company
9%
Financial Services Firm
5%
Computer Software Company
12%
Financial Services Firm
11%
Manufacturing Company
10%
Government
9%
 

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?
Since we stood Zafran Security up in our private cloud, we handle the maintenance on our side. As we opted not to use...
What needs improvement with Zafran Security?
In terms of areas for improvement, Zafran Security is doing a really great job as a new and emerging company. Oftenti...
What is your primary use case for Zafran Security?
My use cases for Zafran Security revolve around two primary areas. One is around vulnerability management and priorit...
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: July 2025.
865,295 professionals have used our research since 2012.