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Tenable Nessus Pros and Cons

Tenable Nessus Pros

MH
Owner at a tech services company with 1-10 employees
I like its ease of use. It has the script that is pre-built in it, and you just got to know which ones you're looking for.
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NM
CISO at a financial services firm with 201-500 employees
Nessus gives me a good preview of vulnerabilities and good suggestions for remediation. It's easy to find a description of a given vulnerability and solutions for it.
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Information Security Manager at a financial services firm with 5,001-10,000 employees
Scanners and reports using CIS templates ("de-facto" standard, easy to fix and to locate correction tips at documentation), tests against cloud providers, database profiles, several types of telecom devices, and others highly customizable scans.
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Learn what your peers think about Tenable Nessus. Get advice and tips from experienced pros sharing their opinions. Updated: November 2021.
554,676 professionals have used our research since 2012.
CEO at Screenit Labs Pvt Ltd
We have done code scanning for a long period because as a company, we do DevOps as part of our development life cycle.
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SP
VP - Risks, Audits & InfoSec at a tech services company with 501-1,000 employees
The features of Tenable Nessus that I have found most valuable are its reliability and its ability to collate a dependable output, where we are able to get the same vulnerability when we test manually. The output is quite reliable.
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VP
Vulnerability Management Analyst at a financial services firm with 10,001+ employees
The plug-in text information is quite useful.
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FF
IT Security Operations Analyst at a manufacturing company with 10,001+ employees
The most valuable features are that it's fast, it's easy to use and it provides good reports.
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Lead Cyber Security engineer at a tech services company with 201-500 employees
A valuable feature of the solution is that it is easy to understand.
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LM
Cybersecurity Manager at a manufacturing company with 10,001+ employees
Ease of reviewing scores, identifying vulnerabilities, and getting information on them.
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FA
Senior Consultant at a tech services company with 11-50 employees
The initial setup is very straightforward.
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Tenable Nessus Cons

MH
Owner at a tech services company with 1-10 employees
The price could be more reasonable. I used the free Nessus version in my lab with which you can only scan 16 IP addresses. If I wanted to put it in the lab in my network at work, and I'm doing a test project that has over 30 nodes in it, I can't use the free version of Nessus to scan it because there are only 16 IP addresses. I can't get an accurate scan. The biggest thing with all the cybersecurity tools out there nowadays, especially in 2020, is that there's a rush to get a lot of skilled cybersecurity analysts out there. Some of these companies need to realize that a lot of us are working from home and doing proof of concepts, and some of them don't even offer trials, or you get a trial and it is only 16 IP addresses. I can't really do anything with it past 16. I'm either guessing or I'm doing double work to do my scans. Let's say there was a license for 50 users or 50 IP addresses. I would spend about 200 bucks for that license to accomplish my job. This is the biggest complaint I have as of right now with all cybersecurity tools, including Rapid7, out there, especially if I'm in a company that is trying to build its cybersecurity program. How am I going to tell my boss, who has no real budget of what he needs to build his cybersecurity program, to go spend over $100,000 for a tool he has never seen, whereas, it would pack the punch if I could say, "Let me spend 200 bucks for a 50 user IP address license of this product, do a proof of concept to scan 50 nodes, and provide the reason for why we need it." I've been a director, and now I'm an ISO. When I was a director, I had a budget for an IT department, so I know how budgets work. As an ISO, the only thing that's missing from my C-level is I don't have to deal with employees and budgets, but I have everything else. It's hard for me to build the program and say, "Hey, I need these tools." If I can't get a trial, I would scratch that off the list and find something else. I'm trying to set up Tenable.io to do external PCI scans. The documentation says to put in your IP addresses or your external IP addresses. However, if the IP address is not routable, then it says that you have to use an internal agent to scan. This means that you set up a Nessus agent internally and scan, which makes sense. However, it doesn't work because when you use the plugin and tell it that it is a PCI external, it says, "You cannot use an internal agent to scan external." The documentation needs to be a little bit more clear about that. It needs to say if you're using the PCI external plugin, all IP addresses must be external and routable. It should tell the person who's setting it up, "Wait a minute. If you have an MPLS network and you're in a multi-tenant environment and the people who hold the network schema only provide you with the IP addresses just for your tenant, then you are not going to know what the actual true IP address that Tenable needs to do a PCI scan." I've been working on Tenable.io to set up PCI scans for the last ten days. I have been going back and forth to the network thinking I need this or that only to find out that I'm teaching their team, "Hey, you know what, guys? I need you to look past your MPLS network. I need you to go to the edge's edge. Here's who you need to ask to give me the whitelist to allow here." I had the blurb that says the plugin for external PCI must be reachable, and you cannot use an internal agent. I could have cut a few days because I thought I had it, but then when I ran it, it said that you can't run it this way. I wasted a few hours in a day. In terms of new features, it doesn't require new features. It is a tool that has been out there for years. It is used in the cybersecurity community. It has got the CV database in it, and there are other plugins that you could pass through. It has got APIs you can attach to it. They can just improve the database and continue adding to the database and the plugins to make sure those don't have false positives. If you're a restaurant and you focus on fried chicken, you have no business doing hamburgers.
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NM
CISO at a financial services firm with 201-500 employees
One area that has room for improvement is the reporting. I'm preparing reports for Windows and Linux machines, etc. Currently, I'm collecting three or four reports and turning them into one report. I don't know if it is possible to combine all of them in one report, but that would be helpful.
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Information Security Manager at a financial services firm with 5,001-10,000 employees
Model OS costs (and its segregation schema for individual modules).
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Learn what your peers think about Tenable Nessus. Get advice and tips from experienced pros sharing their opinions. Updated: November 2021.
554,676 professionals have used our research since 2012.
CEO at Screenit Labs Pvt Ltd
We would like to have the option of using the solution for the cloud as well as on-premises with the same license at the same time. That would be very helpful.
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SP
VP - Risks, Audits & InfoSec at a tech services company with 501-1,000 employees
In terms of what could be improved, I would say its reporting portion.
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VP
Vulnerability Management Analyst at a financial services firm with 10,001+ employees
It wasn't very clear how the scripts are running the scans. There's information about the script but it's not straightforward. The script information for each of the plugins should be available, but it doesn't give us straightforward direct information about how it was executed. That needs to be more clear.
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FF
IT Security Operations Analyst at a manufacturing company with 10,001+ employees
Remediation needs improvement.
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Lead Cyber Security engineer at a tech services company with 201-500 employees
We feel the solution's technical support to be very bad.
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LM
Cybersecurity Manager at a manufacturing company with 10,001+ employees
Scans aren't done properly and some devices aren't pinged.
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FA
Senior Consultant at a tech services company with 11-50 employees
We'd like to see more integration potential within the solution.
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Learn what your peers think about Tenable Nessus. Get advice and tips from experienced pros sharing their opinions. Updated: November 2021.
554,676 professionals have used our research since 2012.