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Tenable Nessus vs Vicarius vRx 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
9.4
Reviews Sentiment
8.2
Number of Reviews
5
Ranking in other categories
Continuous Threat Exposure Management (CTEM) (2nd)
Tenable Nessus
Ranking in Vulnerability Management
2nd
Average Rating
8.4
Reviews Sentiment
7.3
Number of Reviews
81
Ranking in other categories
No ranking in other categories
Vicarius vRx
Ranking in Vulnerability Management
15th
Average Rating
8.0
Reviews Sentiment
7.6
Number of Reviews
21
Ranking in other categories
Patch Management (7th), Risk-Based Vulnerability Management (6th)
 

Mindshare comparison

As of June 2025, in the Vulnerability Management category, the mindshare of Zafran Security is 0.7%, up from 0.0% compared to the previous year. The mindshare of Tenable Nessus is 9.4%, down from 13.1% compared to the previous year. The mindshare of Vicarius vRx is 0.9%, up from 0.2% 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The user interface of Tenable Nessus feels outdated and could be more user-friendly.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.
OrenBen Shalom - PeerSpot reviewer
Consolidates vulnerability discovery, prioritization, and remediation in a single platform
Vicarius vRx offers several advantages, especially for organizations with diverse operating systems and applications requiring frequent patching. The platform helps prioritize patch installation by identifying high-risk vulnerabilities, allowing IT teams to focus on critical threats first. This prioritization is crucial because it prevents IT teams from being overwhelmed by the constant influx of patches, enabling them to create a manageable plan and allocate resources effectively. By distinguishing between critical, high-risk, and medium-risk vulnerabilities, Vicarius vRx empowers IT teams to address the most urgent threats promptly and schedule less critical patches for later. Both native operating system updates and Vicarius vRx offer vulnerability remediation. Native OS updates allow for the patching of system vulnerabilities on Windows, macOS, and Linux. However, Vicarius vRx provides a single solution for installing both operating system and application updates by also discovering application vulnerabilities. Another valuable feature is virtual patching, which allows us to protect an asset from a specific vulnerability without installing a patch. Sometimes, installing a patch alone is insufficient and requires restarting the asset. However, production servers often cannot be restarted during the day, restricting restarts to specific timeslots. Virtual patching creates a network-based protection layer that prevents exploitation of a vulnerability, offering a temporary safeguard. While not a foolproof solution for long-term use, it's a valuable tool that reduces tension between IT and security teams by providing time to properly install patches.

Quotes from Members

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

Pros

"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."
"We saw benefits from Zafran Security almost immediately after deploying it."
"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."
"Tenable integrates well with other solutions such as SIEM and batch management."
"It provides multiple recommendations towards the remedy of vulnerabilities."
"Tenable Nessus has provided increased visibility across the organization's servers."
"User friendly and good dashboards."
"Nessus is effortless to integrate."
"The most valuable feature of Tenable Nessus is vulnerability assessments. There are a lot of threats around the world and this solution is the first to come out with detection rules."
"It allows me to prioritize efforts and utilize effective technical resources."
"The initial setup is very straightforward."
"While other vulnerability scanners overwhelm us with a huge list of problems after a scan, Vicarius vRx goes beyond that."
"The most valuable features of vRx would be virtualized patching and severity prioritization."
"Vicarius vRx's primary strength is its user-friendly interface."
"The prioritization of the vulnerabilities and patches that we must apply immediately is valuable. The automation of the tasks allows us to spend less time in that area."
"Vicarius vRx has reduced meantime to remediate by 90 percent."
"vRx seemed to be user-friendly and very easy to use."
"The system prioritizes vulnerabilities, identifying high, medium, and low risks, allowing us to focus on high-risk applications. It allows us to focus on high-risk applications and do the updates."
"Vicarius vRx's ability to patch third-party software is particularly valuable for us."
 

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."
"The accuracy of the vulnerability assessment is not up to par yet, as false alarms and false positives occur often."
"We feel the solution's technical support to be very bad."
"Tenable Nessus could improve the reporting by adding some dashboards. The reports are a hassle at this time. Tenable.io has more detailed reports. Having a better dashboard that can show where the vulnerabilities are and be categorized would be helpful. We then could present them to upper management for a deep overview of our network posture which they do not see."
"This is still a maturing product. Tenable is only a scanner for one ability, while other solutions like Rapid7 have more tools for verification. We still have to manually verify to see if the vulnerability is a false positive or not."
"From my point of view the solution basically is not for the big enterprise."
"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."
"In terms of what could be improved, I would say its reporting portion."
"The price and scalability of the solution could improve."
"Vicarius vRx's application management capabilities could be improved by allowing users to manage and uninstall applications directly within the GUI, eliminating the need for scripting and streamlining the process."
"Another complaint we've gotten is that the portal doesn't remember your username and password. You tell them your email, and it sends an invitation. You need to click that, and it takes you to a new portal, where you can finally log in. Maybe it's a security precaution, but it seems like a lot of extra steps to log in."
"I would like to see more network architecture elements with patches."
"The patchless protection feature is currently difficult to understand and could be made more user-friendly."
"Unlike previous vulnerability management systems that relied on network scanning appliances to discover and assess endpoints, Vicarius' agent-based approach is less effective for devices like switches, routers, and printers where agent installation is impractical."
"In the past, Vicarius vRx was cheap, but now they have adjusted their pricing policy, resulting in higher renewal costs."
"The user interface for deploying patches can be improved, as it appears complicated when launching patches."
"Areas that need improvement include the CPU usage and the delay between sending updates and receiving feedback on their status."
 

Pricing and Cost Advice

Information not available
"We pay approximately $2,500 on a yearly basis."
"One problem with Tenable is its pricing policy. Optimal results can be achieved with Greenbone Solutions which has much more friendly pricing policies."
"The pricing is much more manageable versus other products."
"Nessus Manager is not an expensive product. It has its limitations, but the pricing reflects that. We have a yearly subscription."
"The solution has free options."
"The price of the solution is reasonable."
"Nessus is affordable, but its licensing model could be improved with more flexibility for adding assets."
"The price of Tenable Nessus is too expensive for each service center."
"Vicarius' pricing was reasonable compared to the other systems we evaluated."
"Vicarius vRx is reasonably priced."
"Vicarius vRx's per-asset pricing makes it easy for me to market to clients as it scales with their needs."
"The pricing is great because we are a reseller of the product. It is really up to us and Vicarius, and they are very easy to work with."
"Vicarius vRx is priced competitively within the market."
"The pricing is fair."
"From a pricing perspective, Vicarius was cheaper compared to other competitors."
"I do not use other solutions, so I cannot compare its pricing to others, but its price seems okay."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Financial Services Firm
12%
Healthcare Company
6%
Manufacturing Company
6%
Educational Organization
26%
Computer Software Company
10%
Financial Services Firm
9%
Government
8%
Computer Software Company
15%
Media Company
11%
Non Profit
11%
Manufacturing Company
8%
 

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 Vicarius vRx?
I do not use other solutions, so I cannot compare its pricing to others, but its price seems okay.
What needs improvement with Vicarius vRx?
I would be happy if the patch update could be downloaded to the Vicarius server and then implemented on the client. C...
What is your primary use case for Vicarius vRx?
We use Vicarius vRx to manage all third-party software updates. Previously, we could manage Windows updates, but thir...
 

Overview

 

Sample Customers

Information Not Available
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Information Not Available
Find out what your peers are saying about Tenable Nessus vs. Vicarius vRx and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.