Tenable Nessus Reviews & Product Details

Built for security practitioners, by security professionals, Nessus products by Tenable are the de-facto industry standard for vulnerability assessment. Nessus performs point-in-time assessments to help security professionals quickly and easily identify and fix vulnerabilities, including software flaws, missing patches, malware, and misconfigurations - across a variety of operating systems, devices, and applications. With features such as pre-built policies and templates, customizable reporting, group “snooze” functionality, and real-time updates, Nessus is designed to make vulnerability assessment simple, easy, and intuitive. The result: less time and effort to assess, prioritize, and remediate issues.

Seller

Tenable

Discussions

Tenable Nessus Community

Languages Supported

English

Solution Type

All-in-One

Overview by

Michael Pedroso

Used by Benefitfocus and 2 others

Beta

Pricing

Pricing provided by Tenable Nessus.

Pro - 1 Year

$3,390.00

1 License With One-Time Purchase

View More Pricing Information

Tenable Solutions

(1)

See how Tenable products can work together to solve real problems.

Tenable Nessus Integrations

(6)

Verified by Tenable Nessus

Tenable Nessus Reviews FAQs

Generated using AI

Last updated: Nov 04, 2026

What is Tenable Nessus, and what problem is it built to solve?

Tenable Nessus is used to scan systems and networks for vulnerabilities, misconfigurations, and missing patches. Its findings help security teams understand exposure and decide which issues to address first.

What languages does Tenable Nessus support?

Tenable Nessus supports 1 language: English.

What company sizes and industries is Tenable Nessus the best fit for?

Positive user presence spans small businesses, mid-market organizations, and enterprises, with particularly strong representation in IT and security-related fields. The segments that stand out include:

Company sizes: Small businesses, mid-market organizations, and enterprises.
Industries: Information technology and services, and computer and network security.
Financial sectors: Financial services and banking.
Public and education sectors: Government administration and higher education.

How long does it take to implement Tenable Nessus across a team?

Implementation is often completed within a month, with same-day and under-one-month go-live reports especially common. Longer rollouts also occur, particularly when setup involves more extensive scanning or configuration.

What customer support options does Tenable Nessus provide, and how do users find the overall support experience?

Tenable Nessus support is available through self-service resources and direct channels, including chat, email/help desk, and phone support. The experience is mixed: users describe helpful, knowledgeable assistance and quick ticket responses, while others encounter slow replies, delays scheduling calls, or difficulty resolving technical issues.

What is the experience like for teams switching to Tenable Nessus from another tool?

Teams switch to Tenable Nessus from tools such as OpenVAS, Qualys, and Rapid7 products when they want a simpler workflow, broader or more current vulnerability coverage, or findings they consider more accurate. Some also move for better value or to replace tools that were harder to administer, slower to scan, or less consistent in their results.

What features or capabilities could make Tenable Nessus even more useful?

More flexible reporting and management views would make Tenable Nessus easier to use across different audiences and workflows. Users also want improvements that reduce manual follow-up and make scan operations and results easier to manage, including:

Reporting: More customizable reports, clearer summaries and visualizations, and exports that are easier to share with management or assign to teams.
Finding accuracy: Fewer false positives and better handling of cases such as backported patches, so teams spend less time validating results manually.
Workflow and administration: Stronger remediation tracking, scan-history retention controls, and more flexible user roles, tagging, and automation.

Is Tenable Nessus considered safe and secure for handling data?

Tenable Nessus helps security teams identify vulnerabilities, misconfigurations, and patch gaps so they can assess exposure and prioritize remediation. Scan results can still require manual validation, since noisy findings and false positives sometimes add review work.

G2 reviews are authentic and verified.

Here's how.

Verified User in Banking

Small-Business (50 or fewer emp.)

10/31/2024

"Tenable is a must for Vulnerability Scanning"

4.5/5

What do you like best about Tenable Nessus?

Tenable Nessus is easy to setup and easy to navigate. The reporting gives good detail to help remediate the vulnerabilities. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

I have been using Tenable Nessus for many years and I can't say I have any dislikes for the product. Review collected by and hosted on G2.com.

Verified User in Primary/Secondary Education

Enterprise (> 1000 emp.)

10/30/2024

"Nessus is a great tool for vulnerability scanning and remediation guidance"

5/5

What do you like best about Tenable Nessus?

Nessus is a powerful tool with extensive reporting and automation. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

I haven't found anything to dislike about Nessus. Review collected by and hosted on G2.com.

Verified User in Government Administration

Mid-Market (51-1000 emp.)

10/22/2024

"Great Tool"

5/5

What do you like best about Tenable Nessus?

The Nessus scans give us insight into areas we might have vulnerabilities Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

The past scans can take up disk space. I haven't found a good way to automatically remove the old ones. Review collected by and hosted on G2.com.

Deepsan V.

IT Security Specialist

Financial Services

Enterprise (> 1000 emp.)

5/8/2024

"Tenable Nessus professional"

4/5

What do you like best about Tenable Nessus?

Nessus has one of the largest libraries of vulnerability and configuration checks, covering a wide range of systems, devices, and applications. Despite its comprehensive feature set, Nessus is known for its user-friendly interface, which can help users get up and running quickly. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

While Nessus is known for its comprehensive vulnerability scanning capabilities, it can sometimes produce false positives, which can lead to unnecessary work for security teams. Review collected by and hosted on G2.com.

Divi N.

software developer

Small-Business (50 or fewer emp.)

3/30/2024

"Best free to use vulnerability scanner"

4/5

What do you like best about Tenable Nessus?

-Free to use

-Has community version where you can use Nessus for free to some extent

-Great user interface

-It also identifies misconfiguration in code

-Versatile tool

-Great dashboards and reporting mechanism Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

-I have only used free community version and it has quite a few limitation with number of hosts and scans etc. Review collected by and hosted on G2.com.

What problems is Tenable Nessus solving and how is that benefiting you?

I have used Nessus in past for red teaming and penetration testing purposes in past. it really helps in discovering vulnerabilities at early stage. It also provides detailed vulnerability analysis and reports which can be used for patching the same. It has very clean dashboard that makes it very easy to present the current status of vulnerability to the management. Review collected by and hosted on G2.com.

Verified User in Higher Education

Small-Business (50 or fewer emp.)

9/19/2024

"Smooth Experience"

5/5

What do you like best about Tenable Nessus?

I started using Nessus as an undergrad student and it was so easy that I could run scans without any tutorials. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

There is nothing to like about it. Although the UI can be modernise Review collected by and hosted on G2.com.

Pratik S.

Research Assistant

Computer & Network Security

Mid-Market (51-1000 emp.)

4/27/2024

"Nessus is one of the powerful tool in scanning vulnerabilities."

4.5/5

What do you like best about Tenable Nessus?

The format of the report with vulnerabilities and it's associated CVE with a detailed explanation is really commendable. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

The limited availability of features in a free Nessus software. Review collected by and hosted on G2.com.

Jatin .

Security Analyst

Enterprise (> 1000 emp.)

9/24/2023

"One stop solution for Vulnerability Detection and Management"

4/5

What do you like best about Tenable Nessus?

1. Detection capabilities are quite good in comparison to number of other similar solutions.

2. Easy to navigate and use GUI.

3. Most important, their plugin repo is always to the mark and updated, which help detects critical vulnerability without significant delays. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

1. Nothing as such to complain of, as the major purpose is being handled in very efficient way, though scan time and results sometimes remain inconsistent. Review collected by and hosted on G2.com.

Lavesh K.

L1 NOC Engineer

Small-Business (50 or fewer emp.)

5/14/2023

"Nessus Review"

5/5

What do you like best about Tenable Nessus?

Tenable Nessus is versatile and flexible to use. This software can be used for security scans, network scanning, vulnerability assessment, and scanning. Its interface is user-friendly and anyone can use it very easily. It has the ability to automate scanning and reporting tasks. This software can help organizations identify vulnerabilities and threats to their systems and networks. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

It can be expensive and may be used in larger organizations that require high functionality and support. It is designed for a user-friendly interface but still requires knowledge or training to be useful. It consumes more time for scanning. It is up to the individual to decide whether they require this software based on their software requirements. Review collected by and hosted on G2.com.

What problems is Tenable Nessus solving and how is that benefiting you?

It is designed for vulnerability scanning and network scanning. It also identifies misconfigurations and vulnerabilities in systems or networks. This software can be beneficial for those who handle sensitive information or data, such as healthcare, financial management, and government agencies. It also helps organizations improve their security posture and prevent their systems from various types of cyber attacks, malware, threats, and viruses. Review collected by and hosted on G2.com.

Verified User in Hospitality

Enterprise (> 1000 emp.)

9/22/2023

"Leading and best vulnerability scanning tool"

4/5

What do you like best about Tenable Nessus?

1. Tenable Nessus is always up-to-date with the vulnerabilities database which scans for all the latest vulnerabilities.

2. They provide decent customer support.

3. It solves the implementation in 2 ways - agent-based and credentials-based.

4. It provides an interactive and nice GUI as well along with easy integration with other tools. Review collected by and hosted on G2.com.

What do you dislike about Tenable Nessus?

It cannot pull asset tags itself. We need to set up a whole different automation to ingest custom asset tags into Tenable nessus. Review collected by and hosted on G2.com.