About Nessus

Nessus is a cloud-based solution designed to help businesses identify potential vulnerabilities across the system and prioritize critical issues to facilitate threat remediation processes. Professionals can maintain an audit trail and view scan information with details, such as status, severity base, start/end timings and elapsed minutes.

With the built-in Tenable Vulnerability Priority Rating (VPR) tool, organizations can determine critical issues using data science and threat intelligence capabilities. Managers can utilize preconfigured templates for various administrative processes, including audits or patch management, and generate customizable reports in HTML, CSV, and XML formats. Additionally, it lets users select specific issues and categorize them in g...


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61 Reviews of Nessus

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January 2019

User Profile Picture

Héctor Joel from GFx Soluciones

Verified Reviewer

Company Size: 11-50 employees

Industry: Information Technology and Services

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

4.0

Functionality

5.0

January 2019

Nessus, a great tool for the analysis and remediation of vulnerabilities

Tenable, in its variety of versions has a large section to train its customers, it is not a surprise that escalate positions with the passage of time and with every improvement that creates true expectations. Within the company we have deployed Nesss and it really has been helpful to fin every vulnerability that the scans throw at us, the information is very complete from the discovery stages, we feel very satisfied, that the tool has been implemented in other infrastructure and the results are very heplful.

Pros

Nessus and its graphical interface is attractive, I would say that minimalist but punctual and charming, it is very clean, it should be applauded that in each version they improve it and include some types of scans that can bring you more complete results when you carry out an analysis. It is very remarkable that the plugins in your database are up to date and that your community generates an adequate response on time.

Cons

For now all the experience I have with Nessus has been nice, with the constancy that you have in your team working every day to improve it I know it will be a good tool for vulnerability detection.

August 2020

Kevin from Merit Network, Inc.

Company Size: 51-200 employees

Industry: Telecommunications

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

4.0

August 2020

Nessus Professional Gets The Job Done

This product does a great job of informing your IT and security groups on what may be vulnerable in your environment. Especially if your organization is looking to begin a program, start small and use this service to build up your processes and program before sinking large amounts of money into other services or products.

Pros

Nessus is still the industry leader in this arena, and the ability for the product to identify vulnerabilities accurately is still the high water mark to beat. You can be up and running in just a few minutes, and the ability to have recurring scans is a great way for this product to help you with your security program. The "Plugin Output" fields help greatly when trying to determine if tests are a false positive, and lends additional credence to your system administrators when you can show them exactly *why* something has been detected as a vulnerability.

Cons

There are no ways to track vulnerabilities or your efforts to monitor them over time; this truly is just a point-in-time view of your environment unless you upgrade to a much more expensive product.

Reasons for Choosing Nessus

The cost was a no-brainer; by paying one low fee instead of a per-IP address model we can ensure that there are no hidden surprises and that we have enough money to address other security projects at our organization.

April 2021

Leonid from NBM

Company Size: 201-500 employees

Industry: Banking

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Functionality

5.0

April 2021

Nessus - best vulnerability manager

We use Nessus and we are very satistied.

Pros

The price. Dashboards. Very fast scans and very detailed reports.

Cons

User group management can be more efficient.

Reasons for Choosing Nessus

The price and the functionalities.

December 2020

Anonymous

Verified Reviewer

Company Size: 501-1,000 employees

Time Used: Less than 12 months

Review Source: Capterra


Ease-of-use

3.0

Customer support

2.0

Functionality

4.0

December 2020

It's a vulnerability scanner

The client side agent is lightweight and easy to deploy once you get it successfully installed and reporting in. The adminstrative console is somewhat confusing, but provides very detailed reports that you can customize to your liking.

Pros

Does what it is supposed to. Provides a good overview of vulnerabilities across systems for internal security assessments and audits. Easy to deploy MSI package

Cons

Support is something to be desired. During initial setup in our environment, there were several complications when attempting to connect machines to the tenable.io cloud and provide the client machines with updates. The support group couldn't provide necessary assistance and we ultimately left to troubleshoot on our own.

April 2021

Anonymous

Verified Reviewer

Company Size: 201-500 employees

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

April 2021

Nessus Vulnerability Scanner

Pros

I used Nessus everyday and the UI is very friendly and easy to use.

Cons

It took Tenable after placing the order and while to get the license key. It took abit of back and forth to get an admin account but once created it was easy to use and set up team members

November 2019

User Profile Picture

Nguyen from ECQURITY

Verified Reviewer

Company Size: 51-200 employees

Industry: Information Technology and Services

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

4.0

Value for money

5.0

Customer support

4.0

Functionality

4.0

November 2019

The quality is OK but they should support more API call to do automation

Simple, the quality of report also good. The price is reasonable for Pro version.

Pros

Simple interface, even end-user can use it. Easy to install.

Cons

Everything is good, but since they stop nessus manager, I can not find the way to do automation.

Reasons for Choosing Nessus

Price is cheapter, the quality is Good enough.

Reasons for Switching to Nessus

Because the price

July 2019

Geoffrey from Robinson, Bradshaw and Hinson

Company Size: 201-500 employees

Industry: Law Practice

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

July 2019

Nessus for vulnerability scanning

After our first major client security audit, we implemented Nessus to run weekly internal and external vulnerability scans. Not only does this help satisfy our client demands, but it helps us find vulnerabilities in our systems and helps us find patches and solutions to the vulnerabilities.

Pros

Easy to set up, use and report on. We started using this application after our first major client security audit a few years ago. It's a been great tool.

Cons

Not much to dislike with Nessus. Maybe some better reports, and the cost could always be better, although it's not bad.

Reasons for Choosing Nessus

It was what several security companies use and it was recommended by the security expert we hired to perform a risk assessment of our network.

May 2019

Josh from UK Flooring Direct

Company Size: 51-200 employees

Industry: Retail

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

May 2019

We use and we like it

We implemented Nessus very easy, with the support from the vendor. Good price and very good solution.

Pros

We use Nessus because is very good tool to manage you vulnerabilities. Fast scan and easy to make reports and to monitor vulnerabilities. Easy to adjust the profile scan, easy to add scan targets. Good price and a lot of features.

Cons

We did not find any problems with the Nessus vulnerability management.

Reasons for Choosing Nessus

The features. Easy installation. Mature tool. Very good support from the vendor.

May 2019

Darius from DIGITAL IT CONSULTING S.R.L.

Company Size: 11-50 employees

Industry: Information Technology and Services

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

May 2019

Good vulnerability manager

The project was a success. I recommend Nessus.

Pros

The soft is very useful to identify and manage vulnerabilities. The implementation was fast. Easy to scan and easy to generate reports. Predefined report for the management. Also you can generate compliance reports.

Cons

We did not find problems. Nessus is working very well.

Reasons for Choosing Nessus

Very good price. Easy to use. Fast scans. Very good reports.

April 2019

User Profile Picture

Mohit from Provensec LLC

Verified Reviewer

Company Size: 11-50 employees

Industry: Computer & Network Security

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

3.0

Value for money

4.0

Customer support

5.0

Functionality

4.0

April 2019

Nessus Vulnerability Scanner

Its a good tool but in my personal opinion using the free version of software is enough for testing purposes.

Pros

- Ease of use for non-authenticated scans - Trusted in case of Network Infrastructure Scanning - Can scan almost everything on a network - Can take a subnet or range for scanning in one go

Cons

- Needs improvement in case of web application scan and authenticated scan. - Very difficult to schedule an authenticated scan for a web application - There are some other tools that take login URL and landing URL. Meanwhile prevents the logout URL for session termination itself which increses ease for users

September 2020

Anonymous

Verified Reviewer

Company Size: 1,001-5,000 employees

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

4.0

Customer support

3.0

Functionality

4.0

September 2020

Nessus made the day easy with vulnerabilities !!!

Nessus is excellent for O/S vulnerability detection. Compared to other scanners Nessus provide less false positives. Reports needs to improve. It is better if nessus professional have option to track an assets progress over the time with vulnerability management features. Scanner is quiet faster compared to other scanners and worth for money you pay.

Pros

Nessus professional is a leading vulnerability scanner and can be easily deployed. It can be installed on both windows and Linux environments. Interfaces are simple and easy to navigate. It provides vulnerabilities and recommendation with detail descriptions. You can purchase the product according to the size of your network. Nessus professional supports integration with SIEMs . Nessus agents are doing great job and can be used to continuously monitor the network.

Cons

Nessus professional doesn't provide overall visibility of an asset with the time. No trend information available and cannot track whether asset has reduce vulnerabilities over the time. I'm not satisfied with given reports and need to improve the reports. It is better if they can fine tune the compliance reports. Web assessments area is still weak on Nessus. It can not conduct comprehensive assessments against web applications. Card data discover plugin is bit difficult to configure and we didn't get the expected results.

September 2020

Anonymous

Verified Reviewer

Company Size: 501-1,000 employees

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

4.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

September 2020

Worth the purchase for Vulnerability assessment

Overall the scan results are very efficient and reports generated are very effective in securing the network assets of an organization. The setup was easier and application is user-friendly once you get the hang of it.

Pros

The application is very useful in findings for vulnerabilities in the network assets and reporting them with quality reports containing where exactly the issues are found and its mitigation. The tool updates are very relevant and even reports zero day vulnerabilities for particular software and technologies made use by the network asset. It covers almost all the security issues present in a network device or servers with proper credentialed scans.

Cons

The application has to be kept up to date for covering all the latest patch vulnerabilities and it lists even ssl and ssh related vulnerabilities for database servers or internal routers, so our team has to identify the necessary findings to report to customer.

September 2017

Christopher from US Government

Company Size: 10,000+ employees

Industry: Hospital & Health Care

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

3.0

Value for money

4.0

Customer support

3.0

Functionality

3.0

September 2017

Easy to Use Vulnerability Scanner

Good canned reports and dashboards, which show where your critical risks are. Ability to export date into CSV or Excel format was welcome and made manipulating data easier.

Pros

What I like most about Nessus is that they have many plugins available for the various vulnerabilities that are out there. The ability to scan static and dynamic asset lists is great. The ability to schedule recurring scan jobs is helpful and aids in the scanning of systems. Integration with ticketing systems such as ServiceNow is also great.

Cons

It would be nice if their website had the published or revised date of their plugins. Resolving issues related to their Nessus Agents would also be nice. The UI could be improved so that queries didn't take so long. It would be nice if there was an easy way to purge old data associated with particular IPs.

January 2019

Anonymous

Verified Reviewer

Company Size: 11-50 employees

Time Used: Less than 12 months

Review Source: Capterra


Ease-of-use

4.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

January 2019

One of the best vulnerability scanners

Nessus has allowed us in the company to develop a timely remediation system, since with the results of the scanners our clients can manage the remediation in a more timely manner without needing to apply more invasive policies on the client. Additionally it has helped us that the scans can be done in a short period of time in comparison to others in the market and in this way improve our service.

Pros

This product is one of the best network scanners on the market. After properly installing the server with the scanner in the network and placing the credentials of the administrator, the system works perfectly. Vulnerability scanning and compliance scanning are executed properly, all the standards included in Nessus are very useful.

Cons

The vulnerability scanner is not totally accurate in some situations and some results must be checked to verify the vulnerability. Therefore, it is possible that there are false positives. Many times the supplements are not updated in a timely manner and this hurts even more with the false positives generated.

March 2019

Anonymous

Verified Reviewer

Company Size: 51-200 employees

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

March 2019

Most comprehensive tool for security and compliance assesments

Best money/capabilities balance.

Pros

Tenable products dictates market standard for securty assesment. Nessus Profesional is part of that family. It has simillar capabilities like Tenable.io but can be run inside your datacenter as a stand alone solution. It's easy to configure, reliable and what's most importand it will give you a hint how to solve every voulnerability detected inside your infrastructure.

Cons

It misses some interesting predefined reports and usefull configuration options comparing to Tenable.io.

September 2019

Chris from CHS

Company Size: 10,000+ employees

Industry: Hospital & Health Care

Time Used: More than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

4.0

September 2019

Nessus, Finding all those vulnerabilities!

Tenable is one of the best scanners out there to me. Easy to use and easy to hire people with experience in it

Pros

Nessus is great about releasing new plugins for vulns. It's lightweight and has an agent option or a hardware scanner option. The cost is pretty standard.

Cons

The reports that tenable can generate are lack luster at best. We use the API to pull the info we want, but that takes more work and development time than we like

Reasons for Choosing Nessus

The price and scalability were what we liked the most

August 2018

Anonymous

Verified Reviewer

Company Size: 51-200 employees

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

5.0

Functionality

5.0

August 2018

Best tool in the market for Vulnerability scanning

It is very much efficient than any other tools offered by the competitors in scanning. Overall Value for money solution for VA scans in enterprise

Pros

It has up to date plugins to scan latest vulnerabilities or malwares are in the market. Plugins are updated every week to cover latest vulnerabilities. It can scan the scope system based on various standards like PCI DSS and HIPAA which other scanners in the market don't have. It performs credentials scans which other scanners like Qualys,Openvas doesn’t offer.

Cons

Nessus doesn’t detect any active protection on scope system which can block the credential scan. It cannot scan device if the 2FA is implemented on the scope system.

June 2018

User Profile Picture

Jose A from GB Advisors, Inc.

Verified Reviewer

Company Size: 11-50 employees

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

5.0

Customer support

4.0

Functionality

3.0

June 2018

Vulnerability Management from the Pioneers of VM

Vulnerabilities across the network, devices and the whole environment. Secyrity needs to be based on several systems that can consolidate data about your security posture and with NEssus is a great place to start when you do not have visibility on what is happening further that your PC and internet.

Pros

Trust on leader on VM market and movement Plugins updated daily so, threats and breaches can be identified as they are scanned into the environment Using Nessus Manager you can deploy scanners and agents across subnets, you can schedule multiple scans in your environment Best in class configuration audit data base for compliance check Credential and uncredential scans Agents for sensitive devices or services that can be affected by an active scan or are in transit

Cons

Nessus in the Pro version is limited to one user Not follow up or comparison between latest scan and recent IP address Change on the network or location increase the IP count even when it is the same device reports customizing can be difficult depending on what is expected to have invasive scan. you are not aware that a specific device or service can be sensitive to Nessus untill you finish with the service stopped or the performance of a service gets compromised.

September 2018

User Profile Picture

Tejas from SISA Information Security

Verified Reviewer

Company Size: 51-200 employees

Industry: Information Technology and Services

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

4.0

Value for money

5.0

Customer support

4.0

Functionality

5.0

September 2018

Great vulnerability assessment tool

Very good tool to perform vulnerability assessment for home users to business users.

Pros

It supports from simple host discovery scans to detailed vulnerability scans like malware scan, credential path audit. This tool can also perform scan to test the latest vulnerabilities like Meltdown and Spectre and WannaCry ransomware etc. This vulnerability scanner has almost up-to-date plugins. The plugins are updated almost daily to weekly to scan the latest vulnerabilities in the market. Nessus scanner can perform the vulnerability scan for various operating systems like: Windows, Amazon linux, CentOS, FreeBSD, MacOS, Redhat, Debian etc It also supports vulnerability scan for various compliance standards like PCI DSS. This scanner can also perform credential based scan on the target machine. The major advantage is, this scanner gives the most accurate vulnerability details about the machine with very few false positives which other scanners in the market fails to do.

Cons

The professional version of this tool is very costly. It yet doesn’t support credential based scan for machines which have 2 factor authentication implemented on it.

January 2019

Anonymous

Verified Reviewer

Company Size: 11-50 employees

Time Used: Less than 2 years

Review Source: Capterra


Ease-of-use

5.0

Value for money

4.0

Customer support

4.0

Functionality

5.0

January 2019

Nessus An Excellent Tool For The Vulnerability Management Process Of Any Company.

Nessus it’s an excellent tool for the vulnerability management process of any company. Its super easy to use and implement on any network, and the tenable university and the community it’s a plus that make it even easier. There are many way how to export the result of any scan, but the best are in HTML and PDF, because are easy to understand and explain to any person. I really like it and going to continue using it

Pros

That it was really easy to implement and use

Cons

The reports are very basic and need to improve.