Comprehensive vulnerability detection – Covers a wide range of known CVEs, misconfigurations, and compliance issues.

Low false positive rate – Findings are generally accurate, saving time on unnecessary triage.

Regular plugin updates – Constantly updated with new vulnerabilities and checks.

Flexible scan options – Supports credentialed, uncredentialed, web app, compliance, and custom scan policies.

Actionable remediation guidance – Reports often include step-by-step fixes and CVSS scoring.

Easy setup for standard scans – Basic scans are quick to configure and run.

Widely used and trusted – Well-established reputation in cybersecurity and vulnerability management.

Nessus supports / enables a variety of integrations, mostly via its APIs, export features, and plugins. Key categories include: Review collected by and hosted on G2.com.

Costs can scale quickly – Advanced features and larger environments often require premium licensing.

UI and reporting could be better – Custom reports and dashboard features are somewhat limited.

Steep learning curve for advanced use – Complex scans (e.g., with credentials or web app auth) require deeper technical knowledge.

Authenticated and web app scanning can be finicky – May need fine-tuning to work correctly with complex login flows.

Not ideal for full lifecycle VM – Lacks built-in asset management or long-term trend analysis unless integrated with Tenable.io or Tenable.sc.

Performance overhead on large networks – Can slow down scanning or miss things if not properly resourced. Review collected by and hosted on G2.com.

The customization of each scan that I can perform in the tool. With daily use, it is possible to learn and see how the tool is easy to configure and integrate with some systems. Review collected by and hosted on G2.com.

The visibility is excellent and the customer support provided is very quick and completely helpful. As I use it every day, contacting support becomes increasingly simple. Review collected by and hosted on G2.com.

It's an amazing platform and the thing which i liked about is that how thorough reliable its scans are. I would like to say that there is no need to fight with interface to find what you need, and the scan results are laid out in a way that make sense if you are also not deep into security work everyday. Review collected by and hosted on G2.com.

Nothing for now, everything going smoothly. Review collected by and hosted on G2.com.

Nessus is Simple and forward. The set up is easy enough for most people to complete. The user interface is clean and not bombarded with tons of bells and whistles that can sometimes be overwhelming. Review collected by and hosted on G2.com.

Only Downside can be the scan time, but that is also dependent on equipment and environment. Review collected by and hosted on G2.com.

Its easy to setup and config for first time and tenable support is very good. we are using it every quaterly for the infra scan to make sure our infra is safe from vulnrabilities. Review collected by and hosted on G2.com.

in reporting for the same vulnerability it will show mutliple cve in differnt rows while exporting which is creating manual effort to clean Review collected by and hosted on G2.com.

i love the scheduled scans feature along with the customizable templates. we use it mostly to identify configuration mishaps and devices needing additional patching. they have an extensible coverage of plugins Review collected by and hosted on G2.com.

The licensing complexity is the biggest issue for me. there is no central management in the base product you have to upgrade to tenable sc. There also a few false positives. Review collected by and hosted on G2.com.

Nessus is easy to use, fast, and highly accurate. I like its wide vulnerability coverage, regular updates, and clear, detailed reports. Review collected by and hosted on G2.com.

The user interface can feel a bit outdated, and initial setup or scan tuning may be complex for beginners. Also, advanced features require a paid license. Review collected by and hosted on G2.com.

Nessus helps organizations during the auditing process by providing clear reports of the vulnerabilities as they are found during the scanning. The agent helps detect vulnerable software, misconfigured settings and other security-related issues like patches. It provides the alert along with a CVE score which helps to identify the criticality and impact of the vulnerability on the organization's security. It shows the vulnerability which really needs the attention of the security team and gives accurate scanning and provides the view that which vulnerabilities should be patched first. Nessus plugin contains the vulnerability information with the remediation action which brings easy for the security team to remediate the vulnerability easily. Review collected by and hosted on G2.com.

Sometimes when we are scanning the vulnerabilities in a large environment it takes time like 2-3 days to find all the vulnerabilities of the whole environment. The scanning requires downtime from the organization so that it does not affect the production environment as sometimes it brings high traffic which interrupts the production environment. Review collected by and hosted on G2.com.

I love the simplicity of Nessus and the ease of use for securing the environment Review collected by and hosted on G2.com.

I dislike the fact that the professional version only allows one user Review collected by and hosted on G2.com.

Like how simple it is to use, also user friendly Review collected by and hosted on G2.com.

One thing that I dislike that they takes time to schedule call for support Review collected by and hosted on G2.com.