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Tenable Nessus vs XM Cyber 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
27th
Average Rating
9.6
Reviews Sentiment
8.1
Number of Reviews
3
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (6th)
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
XM Cyber
Ranking in Vulnerability Management
30th
Average Rating
8.0
Reviews Sentiment
7.7
Number of Reviews
2
Ranking in other categories
Continuous Controls Monitoring (7th), Cloud Security Posture Management (CSPM) (25th), Continuous Threat Exposure Management (CTEM) (4th)
 

Mindshare comparison

As of May 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 0.6%, up from 0.0% compared to the previous year. The mindshare of Tenable Nessus is 9.8%, down from 13.2% compared to the previous year. The mindshare of XM Cyber is 1.1%, up from 0.7% 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.
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The user interface of Tenable Nessus feels outdated and could be more user-friendly.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.
HolgerHeimann - PeerSpot reviewer
Reliable with no false-positives and helpful support
There's a lot of improvement possible, however, most of it is in the details. I personally like the concept, as it's pretty straightforward and the product is not trying to overload functionality. It's a clean and straightforward approach. You know what you get. Most of the improvements are detail improvements. They're pretty open to future requests as well, so we send them a lot of suggestions. For example, at the moment, they have something called Battleground. That's a visualization of the network, and it's a visualization of the attack paths that are possible. The program uses so-called scenarios, and we say, "Okay, I'm watching traffic for maybe 24 hours," and then you get a result for that scenario, what happens in that time with what the attack paths are, et cetera. The result of the same scenario yesterday or tomorrow may be different as something might change. In that, one of the things I'm currently missing, which is on the list to be added, is some kind of diff visualization. For example, showing a two-screen split of activity. On the left side of the screen, that's how it was yesterday; on the right side, that's how it is today; and here are the differences. We'd like to see a cheaper price.

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."
"Zafran has become an indispensable tool in our cybersecurity arsenal."
"We are able to see the real risk of a vulnerability on our environment with our security tools."
"Overall Zoom is a good solution."
"It also has an executive report where you don't have to provide the client all the detail for them to sift though. But if they wish to dig through the detail they can."
"Tenable Nessus has provided increased visibility across the organization's servers."
"Tenable Nessus is one of the best vulnerability assessment tools, that I know."
"Tenable Nessus is an absolutely stable and fantastic product."
"Nessus is effortless to integrate."
"It provides multiple recommendations towards the remedy of vulnerabilities."
"The most valuable feature is how it scanned and detected through its database to let us know exactly what fixes we needed to put in place for the vulnerabilities. It detects and it also gives you the way to fix it."
"What I personally like very much, from my experience, is that it is very reliable."
"The platform's most valuable feature is attack simulation."
 

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."
"There is room for improvement in finishing the transition to the cloud. We'd like to see them keep on improving the Tenable.io product, so that we can migrate to it entirely, instead of having to keep the Tenable.sc on-prem product."
"They should try to create an all-in-one solution."
"Technically, it is an excellent and the best solution available in Libya. My only concern is related to its pricing. They are an emerging company in Libya, and they need to put in some effort to provide us with very good prices so that customers can go with the best solution. Chinese companies are getting into the market here, and they're providing very cheap solutions."
"The price could be more reasonable. I used the free Nessus version in my lab with which you can only scan 16 IP addresses. If I wanted to put it in the lab in my network at work, and I'm doing a test project that has over 30 nodes in it, I can't use the free version of Nessus to scan it because there are only 16 IP addresses. I can't get an accurate scan. The biggest thing with all the cybersecurity tools out there nowadays, especially in 2020, is that there's a rush to get a lot of skilled cybersecurity analysts out there. Some of these companies need to realize that a lot of us are working from home and doing proof of concepts, and some of them don't even offer trials, or you get a trial and it is only 16 IP addresses. I can't really do anything with it past 16. I'm either guessing or I'm doing double work to do my scans. Let's say there was a license for 50 users or 50 IP addresses. I would spend about 200 bucks for that license to accomplish my job. This is the biggest complaint I have as of right now with all cybersecurity tools, including Rapid7, out there, especially if I'm in a company that is trying to build its cybersecurity program. How am I going to tell my boss, who has no real budget of what he needs to build his cybersecurity program, to go spend over $100,000 for a tool he has never seen, whereas, it would pack the punch if I could say, "Let me spend 200 bucks for a 50 user IP address license of this product, do a proof of concept to scan 50 nodes, and provide the reason for why we need it." I've been a director, and now I'm an ISO. When I was a director, I had a budget for an IT department, so I know how budgets work. As an ISO, the only thing that's missing from my C-level is I don't have to deal with employees and budgets, but I have everything else. It's hard for me to build the program and say, "Hey, I need these tools." If I can't get a trial, I would scratch that off the list and find something else. I'm trying to set up Tenable.io to do external PCI scans. The documentation says to put in your IP addresses or your external IP addresses. However, if the IP address is not routable, then it says that you have to use an internal agent to scan. This means that you set up a Nessus agent internally and scan, which makes sense. However, it doesn't work because when you use the plugin and tell it that it is a PCI external, it says, "You cannot use an internal agent to scan external." The documentation needs to be a little bit more clear about that. It needs to say if you're using the PCI external plugin, all IP addresses must be external and routable. It should tell the person who's setting it up, "Wait a minute. If you have an MPLS network and you're in a multi-tenant environment and the people who hold the network schema only provide you with the IP addresses just for your tenant, then you are not going to know what the actual true IP address that Tenable needs to do a PCI scan." I've been working on Tenable.io to set up PCI scans for the last ten days. I have been going back and forth to the network thinking I need this or that only to find out that I'm teaching their team, "Hey, you know what, guys? I need you to look past your MPLS network. I need you to go to the edge's edge. Here's who you need to ask to give me the whitelist to allow here." I had the blurb that says the plugin for external PCI must be reachable, and you cannot use an internal agent. I could have cut a few days because I thought I had it, but then when I ran it, it said that you can't run it this way. I wasted a few hours in a day. In terms of new features, it doesn't require new features. It is a tool that has been out there for years. It is used in the cybersecurity community. It has got the CV database in it, and there are other plugins that you could pass through. It has got APIs you can attach to it. They can just improve the database and continue adding to the database and the plugins to make sure those don't have false positives. If you're a restaurant and you focus on fried chicken, you have no business doing hamburgers."
"The problems I faced with Tenable Nessus were related to its dashboard's customization capabilities and its ability to provide data to third-party sources."
"The solution should be able to support more devices."
"We'd like to see the solution embrace more user-friendliness."
"The reporting could be improved. The reporting in Rapid7 is much better."
"XM Cyber could identify all areas of vulnerability. They could expand the identification span for different areas."
"We'd like to see a cheaper price."
 

Pricing and Cost Advice

Information not available
"The price is reasonable."
"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."
"The product is free."
"The newer tools are quite pricey. There is a case of some fine tuning that can be done in terms of licensing. The IP based licensing that is offered makes the tool very expensive. If they want the IT industry to adopt it, the price should be looked at."
"This solution is affordable."
"While Tenable Nessus is a good enterprise solution, the high price would likely make it prohibitive to smaller organizations."
"The price of the solution is reasonable."
"We paid about six thousand dollars per license."
"We have to pay standard licensing fees."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
12%
Manufacturing Company
7%
Retailer
6%
Educational Organization
37%
Computer Software Company
9%
Financial Services Firm
7%
Government
6%
Computer Software Company
16%
Financial Services Firm
15%
Manufacturing Company
10%
Retailer
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Zafran Security?
I find that the pricing for Zafran aligns well with the comprehensive features it offers. The asset and user-based li...
What needs improvement with Zafran Security?
Zafran is a new startup. Features are continuously being added or improved. 1) Continued integrations with existing (...
What is your primary use case for Zafran Security?
We connect this to our vulnerability scanner as input, our security tools to better determine risk, and our change ma...
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...
What do you like most about XM Cyber?
The platform's most valuable feature is attack simulation.
What is your experience regarding pricing and costs for XM Cyber?
We have to pay standard licensing fees. There are no additional costs. It is an expensive product. I rate the pricing...
What needs improvement with XM Cyber?
XM Cyber could identify all areas of vulnerability. They could expand the identification span for different areas.
 

Overview

 

Sample Customers

Information Not Available
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Hamburg Port Authority, Plymouth Rock Corporation
Find out what your peers are saying about Tenable Nessus vs. XM Cyber and other solutions. Updated: April 2025.
849,686 professionals have used our research since 2012.