Nessus Reviews in July 2025: User Ratings, Pros & Cons

"Director of IT/Operations"

What do you like best? Real-Time vulnerability check and sensitive data searches What do you dislike? Plugins and using reports are a bit challenging. What problems are you solving with the product? What benefits have you realized? Primarily for security compliance

"Good overall product with room for improvement"

What do you like best? Nessus includes some good functionality to enable integration with a larger suite of vulnerability management systems and help facilitate some light automation. The performance is generally consistent and the interface is intuitive and easy to use. What do you dislike? The plugins are not always updated in a timely fashion, which results in unnecessary false positives and time spent researching and documenting. The API functionality is tied to a Tenable.io ...

"Better than most"

What do you like best? I like the plugin feed, it is very robust. I also like the ability to upload compliance audit files directly from Tenable. What do you dislike? I don't feel like the scanners do a great job of compliance checks, I prefer to use ePO instead of the Nessus scanner to obtain the credential data I need. Could be operator error though ;) What problems are you solving with the product? What benefits have you realized? We are currently resolving FISMA scorecards with the use ...

"Dropping API support was a bad decision"

What do you like best? Scans are through and provide links to explanations and corrective actions. What do you dislike? Dropping the API support in the latest version renders our Powershell automated scans useless. What problems are you solving with the product? What benefits have you realized? Assuring our products are secure from hacking.

"Nessus Keeps Us Safe"

What do you like best? Nessus is easy to use and scans for a large number of vulnerabilities. It helps us to keep one step ahead. What do you dislike? The initial install of Nessus tends to be a little slow when downloading and compiling plugins. Other than that once the product is up and running everything is good. Recommendations to others considering the product: Buy it and use it daily. What problems are you solving with the product? What benefits have you realized? We use Nessus to ...

"One of the betters scanners"

What do you like best? Customizing scan plugins with NASL and being able to scan multiple systems at once What do you dislike? The removal of the API from non .io and SecurityCenter versions. While pulling reports is still available, not being able to automate things is a pain. What problems are you solving with the product? What benefits have you realized? Vulnerability scanning of assets prior to placing on the network and monthly policy directed scans for compliance

"nessus review"

What do you like best? testing features of the network scanner. especially advanced scan tools What do you dislike? slows down when running multiple tests at the same time What problems are you solving with the product? What benefits have you realized? securing internal and external networks

"Nessus Vuln Scanner Review"

What do you like best? features are easy to view access to set scan parameters What do you dislike? takes a lot of system resources. while running more than one scan in parallel there is a delay in progress. sometimes for a long time What problems are you solving with the product? What benefits have you realized? vulnerability testing to secure client networks

"nessus - vulnerability scanning tool "

What do you like best? Its one of the best tool that I have used. The tool helps to find the vulnerability in windows system and helps you find all the loopholes which makes your system weak.It helps making a system more secure by improving on the vulnerabilities and helps keeping the system well patched. What do you dislike? Once it so happened that while scanning the system , the tool got stuck and it just froze. I was not able to do anything. But it just happened once , so i will not ...

"Nessus Vulnerability Scanner"

What do you like best? The Nessus vulnerability scanner from Tenable offers excellent vulnerability and compliance scanning coverage. The API offers good flexibility for developing custom solutions. Coupled with other Tenable products, such as Tenable.io, SecurityCenter, or NessusManager provides centralized management and reporting. What do you dislike? There are some issues when trying to create minimalist scan policies for host discovery purposes. For example, there is an SNMP plugin ...