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Cybersixgill 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
27th
Average Rating
9.6
Reviews Sentiment
8.1
Number of Reviews
3
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (6th)
Cybersixgill
Ranking in Vulnerability Management
63rd
Average Rating
8.8
Reviews Sentiment
7.6
Number of Reviews
4
Ranking in other categories
Threat Intelligence Platforms (22nd), Digital Risk Protection (5th), Attack Surface Management (ASM) (24th)
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
 

Mindshare comparison

As of April 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 0.4%. The mindshare of Cybersixgill is 0.2%, up from 0.1% compared to the previous year. The mindshare of Tenable Nessus is 10.2%, down from 13.4% 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.
reviewer1533792 - PeerSpot reviewer
Contains a huge amount of information regarding deep web and dark web, reducing investigation times
In the search engine, you are able to use operators. These operators allow you to do specific searches or open searches. The main things are: * If you want to search everything related to a specific malware family but you don't want to have anything related to specific search. So, you can just upload it from the search engine and search for it. * If you only wanted to know about one specific vulnerability, but you don't care what is in Telegram or GitHub as repositories, then it will only care for these things in the dark web forums. You can narrow your search to that. * If you want only sites in Spanish, but not in other languages, you can narrow your search to that. There are a lot of possibilities when using the search engine. It has become really useful for my analysts. The solution has enabled us to access sources that we have not seen anywhere else, such as Telegram. It also gives us access to the Genesis Marketplace. Otherwise, we would have to pay someone for that. However, with Cybersixgill, we can go to the platform and search for whatever we want.
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 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."
"They also provide some of the greatest notification capabilities. I put in a customer's company name and domain names, or sometimes I put in their IP addresses as a keyword. Once Sixgill collects information that includes those keywords, they then provide us email notifications. That means we can catch information related to our customers as soon as possible."
"To be diligent for the customer, we usually go into Cybersixgill Investigative Portal to analyze and search things. The solution tells us the reputation of cyber threat actors. So, if someone has a reputation of one, it is a really bad idea to care about what that person is saying. However, if you find someone with a reputation of nine, then there is a high probability that we need to address the problem. You can get information about these type of actors in Cybersixgill Investigative Portal. They have a huge collection, which is like having the rules/goals of the dark web and deep web without having to go there. Our analysts avoid going dark web because they have Cybersixgill Investigative Portal and can get the news from their browser, searching wherever they want."
"The advanced analysis has made our security operations more efficient. It has also potentially given us quicker access to data that we might not have otherwise located."
"The solution’s approach of using limited open source intelligence and focusing, instead, on the Deep Web and Dark Web is what seals the deal. That is why I like them. I have other tools that I can aggregate all the open source intelligence from. I value Cybersixgill because it provides access to things that no one else does."
"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."
"The reports are pretty nice and easy to understand."
"The results are not that bad, but the key selling point is that it is an affordable tool set."
"Overall Zoom is a good solution."
"With the Tenable Nessus enterprise edition, you have unlimited licenses to scan the device."
"Tenable Nessus has provided increased visibility across the organization's servers."
"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."
"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."
 

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."
"Sixgill has strong capabilities based on search queries, but there is some difficulty in using Sixgill. Their querying is very powerful but it can be difficult. It's not hugely complex but you need some skill to use Sixgill querying."
"Regarding their scraping abilities, things could be solidified. There are definitely improvements that could be made on the specificity for setting certain queries."
"We need real-time updated information. If we could have this, it would be amazing. For example, if someone was posting something, then ten second later, it was on the platform. Sometimes, it takes a minute or hours right now, depending on the forum."
"The breadth of access to data is good, but there are gaps. More data would be my suggestion because the platform is good and I have no complaints about the system. I think it is just a case of always trying to get more data sources."
"The scalability of Tenable Nessus is good. However, it could be more flexible."
"We use credentialed scans. They need more permissions and more changes or settings on Windows and Linux."
"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."
"The solution could improve security updates."
"Tenable Nessus could improve the price."
"We would like to have the option of using the solution for the cloud as well as on-premises with the same license at the same time. That would be very helpful."
"Tenable Nessus application device assessment is one of the top tools. However, in the application security assessment, there are other tools that provide better, and more accurate findings."
"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."
 

Pricing and Cost Advice

Information not available
"The pricing is cheap compared with Recorded Future. Sixgill's cost-effectiveness is very good."
"The pricing and licensing are good. It is expensive for us because the US dollar is quite strong compared to our dollar. Otherwise, it is quite reasonable for what it is. All the tools in the market are around the same price from my experience."
"Sometimes, Cybersixgill Investigative Portal is cheaper than its competitors."
"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."
"The solution is expensive."
"The price of Tenable Nessus is too expensive for each service center."
"We have a subscription, the licensing fees are paid yearly, and I am using the latest version."
"The solution has free options."
"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 Tenable Nessus is much more competitive versus other solutions on the market."
"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."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
12%
Manufacturing Company
6%
University
6%
Computer Software Company
15%
Manufacturing Company
13%
Financial Services Firm
12%
Educational Organization
7%
Educational Organization
39%
Computer Software Company
9%
Financial Services Firm
7%
Government
6%
 

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?
While Zafran Security is already a powerful tool, there are areas where it could be further improved to provide even ...
What is your primary use case for Zafran Security?
Our primary use case for Zafran involves leveraging it to enhance our vulnerability risk scoring methodology. In toda...
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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
Current customers include large enterprises, financial services, manufacturing, GSIs, MSSPs, government and law enforcement entities.
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Find out what your peers are saying about Cybersixgill vs. Tenable Nessus and other solutions. Updated: April 2025.
847,862 professionals have used our research since 2012.