Compare Paessler GmbH vs Tenable

Paessler GmbH

Based on 123 reviews.

Tenable

Based on 247 reviews.

Latest Research

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PRTG Network Monitor vs. SolarWinds NPM

January 2026

SolarWinds NPM vs. PRTG Network Monitor

Updated: January 2026

Buyer's Guide

PRTG Enterprise Monitor vs. PRTG Network Monitor

December 2025

PRTG Network Monitor vs. PRTG Enterprise Monitor

Updated: December 2025

Overview

Paessler AG develops and sells network management and network monitoring software. The company was founded by CEO Dirk Paessler in 1997 and offers freeware and commercial software for system administrators. In 2014 Paessler AG grew sales by 40 percent in the US and Canada, with worldwide sales growing 32 percent. The reseller rate in the US and Canada grew 116 percent due to 64 new registered partners.

Tenable Network Security is a developer of vulnerability detection systems. Tenable Network Security is an American network security company, co-founded by Ron Gula, Jack Huffard, and Renaud Deraison in 2002.

Sample Customers

PRTG Network Monitor

Jameson Bank, Sidnix, RungeICT, MedicalAnimal, Truck-lite, GamingGrids, The Covell Group, Forsythn County Schools, NetMass, Musgrove Park Hospital, Lanes Health, Columbia Southern University, Vodafone, Intrust Bank

Popular Solutions

PRTG Network Monitor

18 reviews

PRTG Enterprise Monitor

8 reviews

Tenable Nessus

14 reviews

Tenable Security Center

11 reviews

Tenable Vulnerability Management

12 reviews

Top Industries

Computer Software Company

10%

Comms Service Provider

Financial Services Firm

Government

Financial Services Firm

11%

Computer Software Company

10%

Manufacturing Company

10%

Government

Quotes From Member Reviews

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Most Helpful Reviews

madhan kumar hs
software engineer at a consultancy
My main use case for PRTG Network Monitor is that I really appreciate the alerting system, allowing me to see when...
Read full review of PRTG Network Monitor »
Moshiur-Rahman Khan
CEO at a tech services company
We provide a solution to enterprise-level customers who have between one hundred to two hundred switches or routers....
Read full review of PRTG Enterprise Monitor »

Review 1 of 2

Chethan Gowda
Windows Security Patching Operation III (Cyber Operations) at a outsourcing company
We usually use Tenable Vulnerability Management for vulnerability scannings, and we get the reports from Tenable to...
Read full review of Tenable Vulnerability Management »
OndrejKOVAC
Solution engineer at a consultancy
The primary use case for Tenable Security Center among my clients is risk-based vulnerability management. It involves...
Read full review of Tenable Security Center »
DragosCernat
Information Security Architect at a transportation company
We had other solutions that we used. One solution was that we did not have something exactly similar to what Element...
Read full review of Tenable Cloud Security »
AbhishekPandey5
Senior Consultant at a manufacturing company
I am using it for Asset Discovery, vulnerability management and threat intel. Tenable OT Security is for asset...
Read full review of Tenable OT Security »
Arun Seetha
Cyber Security Architect at a security firm
I have been dealing with Tenable.io Container Security for almost four to six months.
Read full review of Tenable.io Container Security »

Review 1 of 5

Customer Service

Emmanuel Appiah Boateng
Network and Security Engineer at a educational organization
I cannot really say much about technical support because I have never had a situation where I have to reach out.
Read full review of PRTG Enterprise Monitor »
Brian M.
Network Administrator at a educational organization
I never had a reason to be in touch with the tech support for the solution.
Read full review of PRTG Network Monitor »
Sachin Vinay
Assistant Manager-Networks at a university
Our experience with customer service and support has been superb.
Read full review of PRTG Network Monitor »
Bien A.Vitorillo
IT Manager at a pharma/biotech company
I rate PRTG support eight out of 10. They respond immediately.
Read full review of PRTG Network Monitor »
Nelson Sendino
Coordinator, Network Architecture & Cybersecurity at a educational organization
I have not had the need to contact technical support.
Read full review of PRTG Network Monitor »
Omar_Jaimes
Cybersecurity Architecture Manager at a comms service provider
Technical support could be better.
Read full review of PRTG Network Monitor »
madhan kumar hs
software engineer at a consultancy
I rate the customer support for PRTG Network Monitor a 10 because they never charge anything extra for support,...
Read full review of PRTG Network Monitor »
Bien A.Vitorillo
IT Manager at a pharma/biotech company
We didn't use their support. We're using the free version.
Read full review of PRTG Network Monitor »
Waqas Moazzam
Post Sales Engineer at a tech services company
I have never used technical support, so I can't comment on it.
Read full review of PRTG Enterprise Monitor »
Daniel Cattigan
Infrastructure Team Lead at a recreational facilities/services company
The tech support has been fine. I haven't had any issues with the tech support at all. They tend to say, "You need to...
Read full review of PRTG Network Monitor »
Anonymous User
Architect at a consultancy
The customer support for PRTG Network Monitor is good; we are getting solutions on time, and they are very helpful.
Read full review of PRTG Network Monitor »
Adam Brown
Network Administrator at a construction company
I've never used their technical support. I've never needed to. I've never had problems that I couldn't fix myself. I...
Read full review of PRTG Network Monitor »
David Ashcroft
IT Infrastructure Engineer at a non-tech company
We haven't used the tech support or the online resources. It has always just worked; it's always been fine.
Read full review of PRTG Network Monitor »
Craig Williams
IT Manager at a marketing services firm
We have not used their technical support.
Read full review of PRTG Network Monitor »
Anonymous User
Technical Manager at a consultancy
We have asked questions of their technical support and they have a very good response time. They immediately jump in...
Read full review of PRTG Network Monitor »
MoshiurRahman Khan
CEO at a tech services company
While the tech support offers good remote login assistance, there is room for improvement in response time for...
Read full review of PRTG Network Monitor »
Ramakrishna Panda
Director - Operations at a tech services company
I've never personally had the chance to contact technical support. Having never reached out directly, it would be...
Read full review of PRTG Network Monitor »
Percy Bloomfield
Project manager at a tech services company
There is no need for much technical support. The solution is very easy to use and the web provides information with...
Read full review of PRTG Network Monitor »
JulianRodriguez
Senior Network Engineer at a comms service provider
I've never dealt with technical support. We have an IT team that deals with issues and any problems are typically...
Read full review of PRTG Network Monitor »
Anonymous User
Infrastructure Analyst
We haven't had to resort to contacting tech support much over the years that we've been using it. When we have,...
Read full review of PRTG Network Monitor »
Anonymous User
DevOps Engineer at a insurance company
Their support is good. We can easily reach out to the vendor or the Paessler support team.
Read full review of PRTG Network Monitor »
Shankar HN
IT strategist at a comms service provider
95% of the problems or more that we get from customers are solved locally.
Read full review of PRTG Network Monitor »
Reinier Van Schaik
ICT-Manager at a manufacturing company
So far, technical support has been good. We are based in the Netherlands, however, they do offer worldwide support....
Read full review of PRTG Network Monitor »
MohamedAbdalla
Senior Technical Support at a comms service provider
I am very satisfied with PRTG Network Monitor because it's easy. Also, I have been using it for a long time, either...
Read full review of PRTG Network Monitor »
Rajesh Vishwakarma
Regional Head of IT at a manufacturing company
I did not have a good experience with customer service. They were not able to give answers in a timely manner. They...
Read full review of PRTG Network Monitor »
Graeme Barratt
Network Engineer at a insurance company
The technical support is good. They are fairly responsive. I have a ticket with them at the moment and am waiting to...
Read full review of PRTG Network Monitor »
Madhan Cs
Senior consultant at a university
The customer support provides 24/7 service and they are very friendly, trying to resolve our issues within one to...
Read full review of PRTG Network Monitor »
Anonymous User
Director of Infrastructure and Technical Services at a healthcare company
We don't use their technical support. I would rate them a five out of ten.
Read full review of PRTG Network Monitor »
ShubhamBharti
Software Engineer at a manufacturing company
The support for PRTG Network Monitor is excellent, and I usually receive a quick reply from the team, so I don't have...
Read full review of PRTG Network Monitor »
Anonymous User
Security Engineer at a healthcare company
I haven't used the technical support. I haven't needed them.
Read full review of PRTG Network Monitor »

Review 1 of 30

Yusuf-Hashmi
Sr. Director - Group Head - IT Security (CISO) at a manufacturing company
I get the standard support that comes with all Tenable licenses. There isn't specialized support for Tenable.sc. It's...
Read full review of Tenable Security Center »
AmardeepSingh
Programmer at a computer software company
We have used the support from Tenable Nessus. The support was relatively good.
Read full review of Tenable Nessus »
Alexandru Cioruta
Global Cybersecurity Presales Domain Lead Architect at a tech services company
The integration is between us and Tenable Identity Exposure. We have excellent technical support, and we have a great...
Read full review of Tenable Identity Exposure »
VictorAkidiva
Security Architect at a tech services company
Technical support has been excellent and provides a lot of support when needed.
Read full review of Tenable Security Center »
Kayhan Kayihan
Co-Founder at a security firm
I am not using Tenable support. I can usually fix all of the issues myself. I don't need support for Tenable Nessus.
Read full review of Tenable Nessus »
François PICHARD
Solution and Demand Manager at a comms service provider
I have not used the support from Tenable SC.
Read full review of Tenable Security Center »
Jahanzeb Feroze Khan
Assistant Manager Network Security at a educational organization
Support doesn't understand the issues and cannot arrange resources per our time.
Read full review of Tenable.io Container Security »
PapadAnandKumar
Senior OT Security Consultant at a consultancy
The support team is the same as others. There are delays. If I find a bug, they say they already know and are working...
Read full review of Tenable OT Security »
NikhilGupta1
Senior Manager - SRE at a tech company
We've dealt with technical support on and off I would say. We keep talking to the technical support at times to get...
Read full review of Tenable Nessus »
OniRahman
Technical Consultant at a tech consulting company
I haven't really dealt much with technical support. In the initial stage, however, when I started deploying Tenable...
Read full review of Tenable Security Center »
Amr Abdelnaser
Senior Information Security Analyst at a computer software company
My colleagues say that the tech support team is very responsive and helpful.
Read full review of Tenable Vulnerability Management »
Anonymous User
IT Manager at a financial services firm
I rate the technical support a seven out of ten.
Read full review of Tenable Vulnerability Management »
reviewer5849132
Chief Information Security Officer at a financial services firm
It is not super good and could do some improvements. I've had interactions with different parties, and while it's not...
Read full review of Tenable Security Center »
Nuki Agustino Wono
Senior Security Consultant at a tech services company
Technical support for Tenable Nessus is very good. Based on my experience, their support deserves a rating of 8 or 9...
Read full review of Tenable Nessus »
Anonymous User
Head of Information Security at a consultancy
We are happy with the support from the Tenable side. But sometimes the vendor's people move between areas too often,...
Read full review of Tenable Security Center »
David Heed
Security Center Coordinator at a comms service provider
We have not needed to escalate support queries since we found the necessary information in manuals.
Read full review of Tenable Nessus »
MadhavanSrinivasan
CEO at a consultancy
We have contacted technical support, once or twice when we have had issues with respect to some plugin related...
Read full review of Tenable Nessus »
MuhammadBilal4
Sr. Information Security Engineer at a computer software company
Technical support always replies back on Mondays and it depends on the open support cases.
Read full review of Tenable Nessus »
Anonymous User
Security Specialist at a security firm
Many times, I get some answers that are not suitable information for my query. Thus, I need to escalate our vendors...
Read full review of Tenable Vulnerability Management »
Jerome TOUTEE
Former Employee of Orange Business Services as Head of Security Engineering at a comms service provider
The technical support team is good. But one drawback is that they must give more attention to small customers. We had...
Read full review of Tenable Nessus »
Abill Nerry
Senior Manager, IT Security at a financial services firm
The tech support was fairly good enough. I would not rate them as top-notch, but it was fairly good enough. I would...
Read full review of Tenable Security Center »
Shahriar Hussain
Cyber Security Charter Engineer at a comms service provider
Customer service is good. That said, there are sometimes delays in response from international support. The support...
Read full review of Tenable Security Center »
Pov Men
Network Security Engineer at a tech services company
I am satisfied with technical support.
Read full review of Tenable SecurityCenter Continuous View [EOL] »
Dhananjay-Naldurgkar
Senior Consultant - Cyber Security Services at a computer software company
Tech support is good. I think we are now partnered with Tenable.
Read full review of Tenable Nessus »
Pankaj Anand
Assistant Manager at a financial services firm
The technical support is fine. They're prompt and we've had no issues with them.
Read full review of Tenable Security Center »
Dr Trust Tshepo Mapoka
Senior Cybersecurity Consultant at a tech services company
Tenable's technical support has a very good turnaround time.
Read full review of Tenable Nessus »
Steven Nkwane
Intake Specialist at a tech services company
One area that they could improve is technical support. Oftentimes, it's not as good as it should be. The turnaround...
Read full review of Tenable Vulnerability Management »
Sirish Kumar
Director at a tech services company
The support is very good.
Read full review of Tenable Vulnerability Management »
Janakiraman Elumalai
Information Technology Security Specialist at a consultancy
The customer service and support are good.
Read full review of Tenable One Exposure Management Platform »
Anonymous User
Ingeniero de proyectos de TI at a tech services company
I've never directly dealt with technical support. I can't speak to how knowledgeable or responsive they are. I've...
Read full review of Tenable Vulnerability Management »

Review 1 of 30

Technical Support

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