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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) (2nd)
Tenable Nessus
Ranking in Vulnerability Management
3rd
Average Rating
8.4
Reviews Sentiment
6.5
Number of Reviews
83
Ranking in other categories
No ranking in other categories
Vulcan Cyber
Ranking in Vulnerability Management
19th
Average Rating
7.4
Reviews Sentiment
7.1
Number of Reviews
11
Ranking in other categories
Risk-Based Vulnerability Management (7th), Cloud Security Remediation (1st)
 

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 Tenable Nessus is 8.8%, down from 13.0% compared to the previous year. The mindshare of Vulcan Cyber is 0.6%, up from 0.5% 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The user interface of Tenable Nessus feels outdated and could be more user-friendly.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.
Shreevinayak Deshpande - PeerSpot reviewer
Makes vulnerability management efficient with a single pane of glass and daily report generation
There are areas for improvement. Initially, when onboarding Vulcan Cyber, the setup and configuration was more complex than expected with a user-friendly approach. This aspect can be enhanced. An important area is performance and speed, as Vulcan Cyber often lacks speed when exporting reports. The team might have to work on scaling up servers. When we click on a vulnerability, it takes ten seconds to pop up a window and show the entire content. Instead of that, they can put a down arrow, and all the details should be shown on clicking the arrow. This will prevent that ten-second delay. Another area for improvement is providing support and documentation for their tool. Users should have access to easy-to-understand trial documentation for reference.

Quotes from Members

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

Pros

"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."
"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."
"Overall Zoom is a good solution."
"The solution can scale well."
"Scanners and reports using CIS templates ("de-facto" standard, easy to fix and to locate correction tips at documentation), tests against cloud providers, database profiles, several types of telecom devices, and others highly customizable scans."
"Tenable Nessus has a good performance, is very user-friendly, and is easy to use."
"It provides multiple recommendations towards the remedy of vulnerabilities."
"The solution is very stable."
"The most valuable feature of Tenable Nessus is real-time monitoring."
"The initial setup of Tenable Nessus is very easy."
"The most notable aspects include having prioritization capabilities and custom scripts."
"I find the ability to consolidate information from multiple vulnerability scanners into a single source valuable."
"Now that the solution is onboarded, we are saving a lot of time. We're saving roughly four to ten hours a week."
"Vulcan Cyber has helped reduce our organization’s mean time to remediation."
"It has allowed us to bring together multiple sources of information from different signal sources into a single point."
"I was part of the initial deployment. It was pretty easy. To fully deploy, it took about three or four weeks."
"The interface of Vulcan Cyber is intuitive with a lot of information about vulnerabilities, which helps in classifying and analyzing threats. We have a good view of assets and vulnerabilities. It helps to do good threat analysis because we can see exactly what the threat is and assess it accordingly."
"It is very good when it comes to ingesting information from different sources and then displaying this information in an easy-to-use platform."
 

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."
"Consumes more system resources when it's running."
"It would be a good idea if they have a simulation of attacks or a use case for finding a new vulnerability or dealing with a zero-day attack."
"The price and scalability of the solution could improve."
"Lacks some penetration testing-related services."
"The reporting feature needs to be improved."
"Tenable Nessus could improve reporting and information sharing. It would be helpful if we could share the reports and have a little bit better flexibility in the reporting of the data."
"The tool needs to upgrade asset tracking."
"The reporting is a bit cumbersome."
"If there was a way for me to connect to the vendor directly from the application, it would be helpful."
"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."
"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."
"Their support is good, but there are some flaws as well."
"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've faced situations where we required support on a Friday, and support wasn't available."
"Improvements are needed in providing more concise details on how to apply remedies for particular vulnerabilities."
"Improvements are needed in providing more concise details on how to apply remedies for particular vulnerabilities. I would like to have more information about the remedies for particular vulnerabilities so that we do not have to go through the CVE numbers and relevant pages to check for a particular vulnerability and its remedy."
 

Pricing and Cost Advice

Information not available
"The pricing is much more manageable versus other products."
"One problem with Tenable is its pricing policy. Optimal results can be achieved with Greenbone Solutions which has much more friendly pricing policies."
"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."
"Nessus is affordable, but its licensing model could be improved with more flexibility for adding assets."
"The price is okay. I would give it a seven out of ten, where one is cheap and ten is expensive."
"The price of the solution is reasonable."
"The solution is worth the cost. It's a good investment."
"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."
"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
Computer Software Company
11%
Financial Services Firm
11%
Manufacturing Company
7%
Healthcare Company
6%
Computer Software Company
12%
Financial Services Firm
10%
Educational Organization
10%
Manufacturing Company
9%
Computer Software Company
29%
Financial Services Firm
8%
Manufacturing Company
8%
Construction Company
7%
 

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...
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: July 2025.
861,524 professionals have used our research since 2012.