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Tenable Nessus vs Vulcan 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
Vulcan Cyber
Ranking in Vulnerability Management
24th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
11
Ranking in other categories
Risk-Based Vulnerability Management (9th), Cloud Security Remediation (1st)
 

Mindshare comparison

As of December 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 1.1%, up from 0.2% compared to the previous year. The mindshare of Tenable Nessus is 5.9%, down from 10.6% compared to the previous year. The mindshare of Vulcan Cyber is 0.6%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vulnerability Management Market Share Distribution
ProductMarket Share (%)
Tenable Nessus5.9%
Zafran Security1.1%
Vulcan Cyber0.6%
Other92.4%
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.
reviewer2649297 - PeerSpot reviewer
Technical Architect at a manufacturing company with 10,001+ employees
Streamlines prioritization but reporting needs enhancement
There are several areas needing improvement. The product helps, but the reporting relies heavily on Power BI. It is limited to graphical views and requires additional filtering, posing operational challenges. The inability to download specific asset details directly from the Power BI portal is a drawback, particularly for non-technical users, though it provides high-level executive summaries. The reporting model should be enhanced so that we have the flexibility to download. We have requested a few features, and they are open to accepting those requests. It needs ITSM improvements. It has out-of-the-box integration with ServiceNow, but the customer is using BMC Helix ITSM. We would like an integration with BMC Helix ITSM. When uploading CSV files without an out-of-the-box connector, duplicate entries for assets occur. We have already reported this to them, but we are not sure when they will fix it. It will significantly benefit if we can directly upload business context information from CMDB without manual merging efforts. It can also have automatic remediation capabilities through SCCM or something else.

Quotes from Members

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

Pros

"We saw benefits from Zafran Security almost immediately after deploying it."
"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 are able to see the real risk of a vulnerability on our environment with our security tools."
"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."
"Zafran is an excellent tool."
"I am impressed with the tool's vulnerability scanning."
"I like this solution because it is complete. It can scan and check many types of vulnerabilities. It can also check for compliance."
"The reports are pretty nice and easy to understand."
"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 vulnerability scanner is the most valuable feature."
"The solution is great for scanning servers."
"It gives a holistic view of your entire environment."
"Nessus is good at finding out what nodes you have in place. It will then provide you a report, by node, of what the vulnerabilities are. It does it quickly and stealthfully."
"Vulcan Cyber has helped reduce our organization’s mean time to remediation."
"The most notable aspects include having prioritization capabilities and custom scripts."
"Now that the solution is onboarded, we are saving a lot of time. We're saving roughly four to ten hours a week."
"I find the ability to consolidate information from multiple vulnerability scanners into a single source valuable."
"There is a lot of flexibility in exporting, making it a really good feature. The exporting flexibility based on application type is commendable and provides significant value."
"Vulcan Cyber is a very good tool."
"It has allowed us to bring together multiple sources of information from different signal sources into a single point."
"Out of the three solutions I've used, Vulcan Cyber is the superior option."
 

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."
"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 dashboarding and reporting functionality of Zafran Security is an area that definitely could use some improvements."
"Tenable Nessus is very costly compared to OpenVAS and sits on the higher side."
"There is room, overall, for improvement in the way it groups the workstations and the way it detects, when the vulnerability is scanned. Even when we would run a new scan, if it was an already existing vulnerability, it wouldn't put a new date on it."
"The interface is a little bit clunky, and the reporting is not marvelous. There should be better integration of reporting between instances. Currently, the instance stands alone, and it produces a report. Being able to amalgamate those reports with another instance will be useful."
"The user interface of Tenable Nessus feels outdated and could be more user-friendly."
"The scalability of Tenable Nessus is good. However, it could be more flexible."
"One significant drawback we encounter is the tool's tendency to flag patched packages incorrectly. For instance, if a package is patched by Debian maintainers but not updated to a major or minor version, Nessus may still flag it as vulnerable based on its database. This discrepancy leads to false alarms and requires our developers, system admins, and DevOps teams to address them."
"I would like to have a management option after the network scanning."
"The solution could improve security updates."
"Initially, when onboarding Vulcan Cyber, the setup and configuration was more complex than expected with a user-friendly approach. This aspect can be enhanced."
"It was a rough year in terms of setup. I had to set it up and onboard it. It was a significant effort from my side at least."
"The performance is bad. The query and the UI are always slow, and it's quite frustrating. Vulcan is trying to solve this with a newer design. The dashboard is also crowded. It pulls in all this raw information that you need to filter. Vulcan has filtering capabilities, but they're hard to manage. The labels aren't very clear, so you need to do things by trial and error. It's not as easy as other tools we've been using."
"Monitoring of the evolution of campaigns and perhaps having more customized options for monitoring them would be great."
"I would rate the tool between six and seven because there have been instances when the tool was down, and I couldn't access Cyber reports. Additionally, the Vulcan Cyber team made changes to the tool and did not notify us."
"We have the highest privilege in the application, and at least for members with the highest privilege, having the capability to reach out to the vendor directly from the application would be beneficial."
"The fact that we cannot use it for our reporting leads me to rate it three out of ten."
"Their support is good, but there are some flaws as well."
 

Pricing and Cost Advice

Information not available
"Our organization is huge so our license costs $30,000."
"The price of Tenable Nessus is much more competitive versus other solutions on the market."
"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."
"The price is high for the solution. There are free tools with similar functionality available. The solution cost approximately $3,500."
"I think the price is fairly affordable. It provides a license that is fair."
"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 price of the solution is reasonable."
"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."
"Its pricing is quite fair compared to what is out there in the market, especially compared to the tool from Microsoft. It is a SaaS platform that has an annual cost, so it is something that is already used by many companies. It is quite affordable."
"Our leadership knows better about the pricing. As per my knowledge, which might not be accurate, its price can come down."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
8%
Manufacturing Company
8%
Outsourcing Company
5%
Computer Software Company
11%
Financial Services Firm
10%
Manufacturing Company
10%
Government
10%
Computer Software Company
29%
Manufacturing Company
8%
Financial Services Firm
8%
Insurance Company
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business39
Midsize Enterprise19
Large Enterprise35
By reviewers
Company SizeCount
Small Business1
Large Enterprise10
 

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 is your experience regarding pricing and costs for Vulcan Cyber?
I don't deal with the pricing of the solution. I'm not a part of that department.
What needs improvement with Vulcan Cyber?
One area for improvement is clarity in the results column of vulnerability reports. Currently, the path where the vul...
What is your primary use case for Vulcan Cyber?
I have been using the solution for more than six months. Essentially, any reporting I do for our internal Internet as...
 

Interactive Demo

Demo not available
Demo not available
 

Overview

 

Sample Customers

Information Not Available
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Stitch Fix, Mandiant, Wealthsimple, Entrust, Anaplan, Deloitte, Origami Risk, Verana Health
Find out what your peers are saying about Tenable Nessus vs. Vulcan Cyber and other solutions. Updated: December 2025.
879,371 professionals have used our research since 2012.