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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
18th
Average Rating
9.6
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (3rd)
Tenable Nessus
Ranking in Vulnerability Management
2nd
Average Rating
8.4
Reviews Sentiment
6.0
Number of Reviews
87
Ranking in other categories
No ranking in other categories
XM Cyber
Ranking in Vulnerability Management
32nd
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
6
Ranking in other categories
Continuous Controls Monitoring (3rd), Cloud Security Posture Management (CSPM) (22nd), Continuous Threat Exposure Management (CTEM) (4th)
 

Mindshare comparison

As of February 2026, in the Vulnerability Management category, the mindshare of Zafran Security is 1.0%, up from 0.3% compared to the previous year. The mindshare of Tenable Nessus is 5.1%, down from 10.3% compared to the previous year. The mindshare of XM Cyber is 1.0%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vulnerability Management Market Share Distribution
ProductMarket Share (%)
Tenable Nessus5.1%
Zafran Security1.0%
XM Cyber1.0%
Other92.9%
Vulnerability Management
 

Featured Reviews

Reviewer6233 - PeerSpot reviewer
Works at a healthcare company with 10,001+ employees
Has become an indispensable tool in our cybersecurity arsenal
While Zafran Security is already a powerful tool, there are areas where it could be further improved to provide even greater value. One key area for enhancement is the searching capabilities within its vulnerabilities module. By incorporating the ability to create Boolean searches, users would gain the ability to apply more complex filters and customize their search criteria. This would greatly enhance the precision and efficiency with which security teams can identify and prioritize vulnerabilities. Having such tailored search capabilities would save time and resources by narrowing down vast lists of vulnerabilities to those that meet specific parameters relevant to our unique risk environment. Additionally, integrating more robust reporting and visualization tools would be advantageous. Enhanced dashboards that offer customizable visual representations of risk configurations and threat landscapes would facilitate better communication with stakeholders, making it easier to explain vulnerabilities and the rationale behind certain security measures. This would also aid in demonstrating the improvements and value derived from existing security investments to leadership and non-technical team members.
MohammedJaffir - PeerSpot reviewer
Founder at Cipheroot
Has enabled me to reduce false positives and perform deep credential auditing with seamless integrations
I mostly use the configuration audit feature for the audit configuration as a scan policy, and I will use it for credential audit, which helps me scan credentials access such as local administrator or root access, performing a deeper and more accurate check of local configuration settings and file systems, making it a highly recommended feature. Regarding integration capabilities, we can integrate Tenable Nessus with SIM tools such as Splunk, IBM QRadar, and Azure Sentinel, as well as with ticketing systems such as ServiceNow, Jira, and Slack. There is no complexity as it is very easy to integrate everything. In terms of the reporting feature, while vulnerability scanning can throw some false positives, Tenable Nessus has very few, achieving a reduction of 75% to 80% false positives with manual analysis needed. We can generate standard Nessus reports that typically include host summaries and vulnerabilities by host and plugin, alongside solutions and remediation recommendations. The main benefits I get from Tenable Nessus are complete asset inventory and comprehensive attack surface management, allowing us to prioritize vulnerabilities based on risk, focusing on true risk and threat path analysis.
Stephen Owen - PeerSpot reviewer
Group CISO at a insurance company with 51-200 employees
Has significantly improved risk visibility and optimized remediation efforts across dynamic environments
We tightly integrate with APIs, consuming feeds and open source data. We have integrated with XM Cyber, and we are elevating ourselves with AI and MCP tools as we view this as a forerunner to reducing the workload for our agents and IT staff. We're pushing all our security partners to provide AI and MCP tools. Our vision is for them to offer a chat interface where a junior IT or an experienced infrastructure engineer can ask for what needs to be patched next without using an interface. Their current interface is very usable and professional, ranking in the top tier of applications. Their reporting is good, offering custom reports, and their API integration is a new capability that serves us well. We have high expectations for the next generation, such as a chat interface to ask questions. However, everything has been very good. We push the boundaries with digital twins; I understand XM Cyber uses a similar concept of graph databases to map environments. I would like access to that and querying languages, enabling more informed business decisions. XM Cyber sees much of our estate, which is beneficial for making informed decisions, and we can harness those insights and data for business analytics. For instance, it could help us gain insights into change management—if a particular server impacts another and that server is supported by yet another server, we could glean significant insights for change management meetings.

Quotes from Members

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

Pros

"With Zafran Security, it integrates with your security controls, allowing you to take that risk score and reduce it based on the controls in place or increase the risk based on different factors, such as if the issue is internet reachable or if there's an exploit in the wild."
"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."
"Overall, we have seen about eighty-seven percent reduction of the number of vulnerabilities that require urgency to remediate, specifically the number of criticals."
"Zafran has become an indispensable tool in our cybersecurity arsenal."
"Zafran is an excellent tool."
"It notifies us of vulnerabilities as they arise, allowing us to respond quickly without manual intervention."
"Tenable Nessus streamlines the process of scanning for our organization."
"Vulnerability assessment is the most valuable feature in Tenable Nessus, as it provides brief details regarding the vulnerability issues we have in our network."
"The most valuable features of Tenable Nessus include its ease of access and quick usability."
"I like its ease of use. It has the script that is pre-built in it, and you just got to know which ones you're looking for."
"The most valuable feature of Tenable Nessus is real-time monitoring."
"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."
"Security is the key number because it can start to scan with a few clicks instead of credits, which is a bit complicated. So simplicity is the first advantage. Then the generated reports are well done and easy to present to management. The quality of the scan is quite good in detecting the severity. The solution has simplicity. Also, it has frequent updates so that is also a valuable feature."
"XM Cyber made it clear that browser vulnerabilities were the top priority because the platform was able to examine how vulnerabilities within our estate could be exploited and what the path would be from some bad actor in order to exploit those vulnerabilities."
"Since implementing XM Cyber, we have improved the way we are doing patching, focusing on the choke points in our patching cycle, and it improves the way we assess the risk."
"What I personally like very much, from my experience, is that it is very reliable."
"XM Cyber permits us to identify if a zero-day vulnerability can affect our infrastructure; it helps me understand the company's total risk that we have in our infrastructure and workstation vulnerability, and it permits us to identify the real impact when we have a vulnerability."
"The platform's most valuable feature is attack simulation."
"Six weeks into using XM Cyber, we saw a compelling return on investment—primarily in risk reduction, with a specific issue our other security tooling did not pick up but XM Cyber did, reducing IT remediation time and saving over 60,000 US dollars per year while significantly lowering our loss exposure amount."
"XM Cyber permits us to identify if a zero-day vulnerability can affect our infrastructure; it helps me understand the company's total risk that we have in our infrastructure and workstation vulnerability, and it permits us to identify the real impact when we have a vulnerability."
 

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."
"The inventory management function in this solution needs improvement."
"Consumes more system resources when it's running."
"The report for counters is too simple and would be improved by a dashboard."
"The product must be more comprehensive."
"In terms of what could be improved, I would say its reporting portion."
"The reporting is a bit cumbersome."
"Tenable Nessus could improve by having more steady updates which will reduce the vulnerabilities."
"There could be an integration between Tenable Nessus and other Tenable products. It will help us manage all the solutions using one dashboard."
"They could improve support because when we need to create a super case and escalate to resolve with technical support, they resolve our ticket in approximately two weeks."
"They could improve support because when we need to create a super case and escalate to resolve with technical support, they resolve our ticket in approximately two weeks."
"We have not saved any time or effort, but we can prove that the effort involved around vulnerability management has been better spent to greater effect, and we've been able to demonstrate that vulnerabilities that do represent a high risk have been remediated more rapidly and more effectively."
"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."
"There are many interesting things about XM Cyber, but the part that can be improved is the mobile exposure and the IBM i specific equipment."
"We have high expectations for the next generation, such as a chat interface to ask questions."
 

Pricing and Cost Advice

Information not available
"One problem with Tenable is its pricing policy. Optimal results can be achieved with Greenbone Solutions which has much more friendly pricing policies."
"The solution has free options."
"The price of Tenable Nessus could improve, it is expensive."
"We paid about six thousand dollars per license."
"The is a free version of Tenable Nessus available."
"Its price is high for Libya. The companies here in Libya don't have the awareness of and a good budget for cybersecurity services. If you want them to go for a product, you need to provide something different. This differentiation is related to the price. They should give about 40% to 45% discount per person on the current cost."
"When comparing the price of Tenable Nessus to other similar solutions, such as Acunetix, Tenable Nessus is not as expensive. It is averagely priced in the market. We pay for the solution annually."
"The price of the solution is reasonable."
"We have to pay standard licensing fees."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Manufacturing Company
8%
Computer Software Company
7%
Outsourcing Company
6%
Financial Services Firm
10%
Manufacturing Company
10%
Government
10%
Computer Software Company
10%
Computer Software Company
11%
Financial Services Firm
10%
Manufacturing Company
9%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business39
Midsize Enterprise19
Large Enterprise35
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...
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?
My experience with pricing, setup cost, and licensing was that we have a large, complicated estate, and in the licens...
What needs improvement with XM Cyber?
There are many interesting things about XM Cyber, but the part that can be improved is the mobile exposure and the IB...
 

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: December 2025.
881,346 professionals have used our research since 2012.