Acunetix vs Tenable Nessus comparison

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Comparison Buyer's Guide
Executive Summary
Updated on Mar 30, 2023

We performed a comparison between Tenable Nessus and Acunetix based on our users’ reviews in five categories. After reading all of the collected data, you can find our conclusion below.

  • Ease of Deployment: The initial installation of both solutions has been described as easy and very quick.
  • Features: Tenable Nessus possesses flexible vulnerability scanning and management features that help proactively discover threats with its holistic view of entire systems. However, it can benefit from a better inventory management feature, as well as more automation. Acunetix boasts a fast multi-domain scanning capability and an automated web application security testing tool, presented in a user-friendly language. The way it deals with false positives and the ability to scan subdomains automatically needs to be improved.
  • Pricing: Users of Tenable Nessus have described the solution as affordable, where free options are also available. Acunetix’s licensing model has been observed to be too rigid and expensive for some reviewers.
  • Service and Support: While the technical teams of both have been rated as helpful and timely, Acunetix’s 24/7 call center has sometimes been observed to be slow to respond.
  • ROI: Users have seen an ROI while using both solutions, because of their proactive vulnerability scanning capabilities.

Comparison results: Based on the parameters we compared, Tenable Nessus comes out ahead of Acunetix. Even though both solutions offer beneficial vulnerability scanning and a proactive approach, Acunetix’s two-year licensing plan is less flexible than that of its competitor, and its need for manual resolution of false positives leaves room for improvement.

To learn more, read our detailed Acunetix vs. Tenable Nessus Report (Updated: March 2024).
768,886 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"We use the solution for the scanning of vulnerabilities like SQL injections.""I haven't seen reporting of that level in any other tool.""The automated approach to these repetitive discovery attempts would take days to do manually and therefore it helps reduce the time needed to do an assessment.""Acunetix is the best service in the world. It is easy to manage. It gives a lot of information to the users to see and identify problems in their site or applications. It works very well.""The scalability is good. The scalability is more than good because it can operate both as a standalone and it can be integrated as part of applications. So that really makes it a very, very versatile solution to have.""For us, the most valuable aspect of the solution is the log-sequence feature.""The most valuable feature of Acunetix is the UI and the scan results are simple.""There is a lot of documentation on their website which makes setting it up and using it quite simple."

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"The solution is the most dynamic one I have seen thus far.""I like this solution because it is complete. It can scan and check many types of vulnerabilities. It can also check for compliance.""Overall Zoom is a good solution.""Tenable Nessus is cheap and flexible.""Once you get past the initial implementation, the solution is very stable.""Tenable Nessus is one of the best vulnerability assessment tools, that I know.""The trial version is very good for testing whether it will suit your needs.""The most valuable feature is the installation of Tenable which is incredibly easy."

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Cons
"Currently only supports web scanning.""We want to see how much bandwidth usage it consumes. When we monitor traffic we have issues with the consumption and throttling of the traffic.""While we do have it integrated with other solutions, it could still offer more integrations.""Acunetix needs to include agent analysis.""The solution limits the number of scans. It would be much better if we could have unlimited scans.""The only problem that they have is the price. It is a bit expensive, and you cannot change the number of applications for the whole year.""The pricing is a bit on the higher side.""Acunetix needs to be dynamic with JavaScript code, unlike Netsparker which can scan complex agents."

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"The inventory management function in this solution needs improvement.""Model OS costs (and its segregation schema for individual modules).""They need more flexible pricing.""Remediation needs improvement.""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.""Multiple user access would be an area for improvement from a user-access perspective. A role-based access control feature would be great because at present, there is a limitation with only one account. If that account gets compromised or gets locked, then we will encounter problems.""The reporting is a bit cumbersome.""Nessus' reporting could be more user-friendly."

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Pricing and Cost Advice
  • "When we looked at all other vendors and what they were asking for, to provide a third of what Acunetix was capable of doing, it was an easy decision... But now that it's coming to a cost where it's line with market value, it becomes more of a competition... Acunetix is raising the cost of licensing. It's 3.5 times what we were initially quoted."
  • "Acunetix was around the same price as all the other vendors we looked at, nothing special."
  • "The pricing and licensing are reasonable to a point. In order to run multiple scans at a time, we are going to have to purchase a 100 count license, which is an overkill. Though, compared to what we were paying for, the cost seems reasonable."
  • "All things considered, I think it has a good price/value ratio."
  • "The costs aren't very expensive. It costs around $3000 or $4000."
  • "I would say that Acunetix is expensive because there are products on the market with similar features that are equally or better-priced."
  • "The pricing is a little high, and moreover, it's kind of domain-based."
  • "When compared with other products, the pricing is a little bit high. But it gives value for the price. It serves the purpose and is worthwhile for the price we pay."
  • More Acunetix Pricing and Cost Advice →

  • "The pricing is much more manageable versus other products."
  • "The price of Tenable Nessus is much more competitive versus other solutions on the market."
  • "I think the price is fairly affordable. It provides a license that is fair."
  • "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."
  • "We pay approximately $2,500 on a yearly basis."
  • "We have a subscription, the licensing fees are paid yearly, and I am using the latest version."
  • "We incurred a single cost for a perpetual license, although I cannot comment on the price as this is above my management level."
  • "The price is reasonable."
  • More Tenable Nessus Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:The tool's most valuable feature is scan configurations. We use it for external physical applications. The scanning time depends on the application's code.
    Top Answer:There are some versions of the solution that are not as stable as others.
    Top Answer:We use the product for dynamic analysis. It also helps us to scan web applications.
    Top Answer:You have full visibility across cloud, network, virtual, and containerized infrastructures with Rapid7 Insight VM. You can easily prioritize vulnerabilities using attacker analytics. Overall, Rapid7… more »
    Top Answer: Tenable Nessus is a vulnerability assessment solution that is both easy to deploy and easy to manage. The design of the program is such that if a company should desire to handle the installation… more »
    Top Answer:We have around 500 virtual machines. Therefore, we conduct monthly scans and open tickets for our developers to address identified vulnerabilities. These scans cover the servers, other network… more »
    Ranking
    14th
    Views
    1,286
    Comparisons
    976
    Reviews
    7
    Average Words per Review
    317
    Rating
    8.6
    3rd
    Views
    11,726
    Comparisons
    8,496
    Reviews
    30
    Average Words per Review
    422
    Rating
    8.4
    Comparisons
    Also Known As
    AcuSensor
    Learn More
    Overview

    Acunetix Web Vulnerability Scanner is an automated web application security testing tool that audits your web applications by checking for vulnerabilities like SQL Injection, Cross site scripting, and other exploitable vulnerabilities.

    Tenable Nessus is a vulnerability management solution that aims to empower organizations to be aware of threats that both they and their customers face. It is the most deployed scanner in the vulnerability management industry. Organizations that use this product have access to the largest continuously updated global library of vulnerability and configuration checks. They can stay ahead of threats that Tenable Nessus’s competitors may be unable to spot. Additionally, Tenable Nessus supports a greater number of technologies than its competitors.

    Tenable Nessus Benefits

    Some of the ways that organizations can benefit by deploying Tenable Nessus include:

    • Ease of use. Tenable Nessus is designed with security administrators in mind. It is built so that users can manipulate it intuitively without having to undergo special systems training. Users can create security policies with the greatest level of ease and can initiate scans of their entire networks with only a few clicks.
    • Support and resources. Tenable Nessus has both a support system of clarification resources and technical support for users to rely on. The solution has a resource center that contains guides and tips that can clarify things that confuse users and can aid them in gaining the maximum level of value. Additionally, users can reach out to Tenable Nessus’s technical support team, which is available around the clock and is reachable via a number of methods. This makes it simple for users to get help if they need it.
    • Reduction of threat vectors. Tenable Nessus provides users with the ability to reduce the number of potential threat vectors that a hacker can exploit. It enables users to find where the vulnerabilities in their networks are so their security won’t be compromised. They can then quickly address those weak points and head off issues before any have the chance to arise.

    Tenable Nessus Features

    • Report customization. Tenable Nessus enables users to customize the security reports that their system produces. They are able to set Tenable Nessus to generate reports that contain the information that is most relevant to their business objectives. Users can also utilize these report customization capabilities to customize the formats of their reports.
    • Vulnerability triage capability. Included in the Tenable Nessus security suite is a feature that enables users to conduct a triage of their vulnerabilities. The solution can apply one of five ratings to vulnerabilities that it detects. This makes it possible for organizations to work on addressing issues by order of severity.
    • Scaling. Tenable Nessus can scale to meet an organization’s needs by migrating the network that it is connected to, to other Tenable solutions. Users can scale up their systems as their security demands increase. It is capable of reaching hundreds of thousands of systems.

    Reviews from Real Users

    Tenable Nessus is a solution that stands out when compared to many of its competitors. Two major advantages it offers are its ease of use and its vulnerability scanning feature.

    Rallis F., the principal security architect at a technology vendor, writes, “The ease of use is the primary valuable feature. This specific version is very straightforward. I like the ability to modify it and configure it based on the different policies.”

    Sandip D., a cyber security expert at Birlasoft India Ltd, writes, “The vulnerability scanner is the most valuable feature. It's an important feature for us. We use the plugin output for that. It shows us the exact version of Nessus and what is needed for remediation. Based on that, we decide what should be remediated first to get the best result for security.”

    Sample Customers
    Joomla!, Digicure, Team Random, Credit Suisse, Samsung, Air New Zealand
    Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
    Top Industries
    REVIEWERS
    Financial Services Firm33%
    Comms Service Provider13%
    Computer Software Company13%
    Insurance Company7%
    VISITORS READING REVIEWS
    Computer Software Company17%
    Financial Services Firm11%
    Government9%
    Comms Service Provider8%
    REVIEWERS
    Computer Software Company14%
    Financial Services Firm12%
    Manufacturing Company9%
    Security Firm9%
    VISITORS READING REVIEWS
    Educational Organization35%
    Computer Software Company11%
    Government7%
    Financial Services Firm7%
    Company Size
    REVIEWERS
    Small Business42%
    Midsize Enterprise19%
    Large Enterprise38%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise19%
    Large Enterprise59%
    REVIEWERS
    Small Business40%
    Midsize Enterprise22%
    Large Enterprise38%
    VISITORS READING REVIEWS
    Small Business16%
    Midsize Enterprise43%
    Large Enterprise41%
    Buyer's Guide
    Acunetix vs. Tenable Nessus
    March 2024
    Find out what your peers are saying about Acunetix vs. Tenable Nessus and other solutions. Updated: March 2024.
    768,886 professionals have used our research since 2012.

    Acunetix is ranked 14th in Vulnerability Management with 26 reviews while Tenable Nessus is ranked 3rd in Vulnerability Management with 75 reviews. Acunetix is rated 7.6, while Tenable Nessus is rated 8.4. The top reviewer of Acunetix writes "Fantastic reporting features hindered by slow scanning ". On the other hand, the top reviewer of Tenable Nessus writes "Unlimited assets for one price and quick, agentless results". Acunetix is most compared with OWASP Zap, Tenable.io Web Application Scanning, PortSwigger Burp Suite Professional, HCL AppScan and Qualys Web Application Scanning, whereas Tenable Nessus is most compared with Qualys VMDR, Rapid7 InsightVM, Tenable Security Center, Tenable Vulnerability Management and Snyk. See our Acunetix vs. Tenable Nessus report.

    See our list of best Vulnerability Management vendors.

    We monitor all Vulnerability Management reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.