Compare Paessler GmbH vs Tenable

Paessler GmbH

Based on 124 reviews.

Tenable

Based on 249 reviews.

Latest Research

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PRTG Network Monitor vs. SolarWinds NPM

August 2026

SolarWinds NPM vs. PRTG Network Monitor

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Buyer's Guide

PRTG Enterprise Monitor vs. PRTG Network Monitor

August 2026

PRTG Network Monitor vs. PRTG Enterprise Monitor

Updated: August 2026

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

16 reviews

PRTG Enterprise Monitor

5 reviews

Tenable Nessus

12 reviews

Tenable Security Center

6 reviews

Tenable Vulnerability Management

7 reviews

Top Industries

Financial Services Firm

10%

Comms Service Provider

10%

Outsourcing Company

Healthcare Company

Financial Services Firm

11%

Manufacturing Company

Government

Computer Software Company

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 Capgemini
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 »
Emmanuel Appiah Boateng
Network and Security Engineer at a educational organization
I mainly use PRTG Enterprise Monitor for network infrastructure monitoring. I am currently working as a Network and...
Read full review of PRTG Enterprise Monitor »

Review 1 of 2

Chethan Gowda
Windows Security Patching Operation III (Cyber Operations) at CBTS
We usually use Tenable Vulnerability Management for vulnerability scannings, and we get the reports from Tenable to...
Read full review of Tenable Vulnerability Management »
Jaya Shanker
IT Security Manager at a insurance company
We use Tenable One Exposure Management Platform for vulnerability management in our internal application and external...
Read full review of Tenable One Exposure Management Platform »
DragosCernat
Information Security Architect at WSP
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 »
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 »
Anonymous User
Head of Information Security at a consultancy

Read full review of Tenable Security Center »

Review 1 of 5

Customer Service

Waqas Moazzam
Post Sales Engineer at Corvit Networks
I have never used technical support, so I can't comment on it.
Read full review of PRTG Enterprise Monitor »
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 »
Bien A.Vitorillo
IT Manager at Atlas Fertilizer Corporation
I rate PRTG support eight out of 10. They respond immediately.
Read full review of PRTG Network Monitor »
Megha Pawar
Associates at Mphasis
The customer support for PRTG Network Monitor is something I have yet to connect with, but based on experience, it is...
Read full review of PRTG Network Monitor »
Noman-Saleem
Network Support Officer at Habib Metropolitan Bank Ltd
The support is zero. I have repeatedly reached out for help with no success; they never responded to my emails or...
Read full review of PRTG Network Monitor »
Petr Pouzar
IT Consultant at M-COM s.r.o
They have good web pages with extensive information about the product and potential issues. I actually haven't had to...
Read full review of PRTG Network Monitor »
Anonymous User
Systems Specialist at a manufacturing company
We haven't had to use technical support.
Read full review of PRTG Network Monitor »
Hoan_Nguyen
System Engineer at a computer software company
The technical support is not good. I was not happy with some of their responses.
Read full review of PRTG Network Monitor »
Andy Shephard
Information Security Analyst at a financial services firm
The technical support has been excellent. We've predominantly raised support tickets but we've also gone through our...
Read full review of PRTG Network Monitor »
Anonymous User
Technical Consultant at Celerity Limited
Customer Service: Not much interaction with customer service, but whenever I did contact them they were helpful....
Read full review of PRTG Network Monitor »
Sixto Huerta
Operador at Arteria Comunicaciones SA de CV
Technical support is good. They are fine. They are in Germany. They may take a day or so to answer; however, they...
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 »
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 »
Anonymous User
Systems and Network Engineer at a tech services company
I had no issues with the support team for this product. I contacted support once, when I needed information on a type...
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 »
Anonymous User
Network Department MAnager at Engineering Consultants Group S.A.
The technical support is excellent.
Read full review of PRTG Network Monitor »
Reinier Van Schaik
ICT-Manager at Heinen & Hopman Eng BV
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 »
Darryl Potgieter
Head of Technology Architecture - Head of Network and Security Centre of Excellence at a paper AND forest products
I have never needed to use their technical support.
Read full review of PRTG Network Monitor »
Gowrishankar A
Technical Support Executive at Digitaltrack
PRTG provides support via mail only, which can be inconvenient due to time differences. There is no direct...
Read full review of PRTG Network Monitor »
Anonymous User
Head of Customer Service - Advanced Technologies at a logistics company
We've reached out to technical support in the past. We've been quite satisfied with the level of service we receive....
Read full review of PRTG Network Monitor »
Shankar HN
IT strategist at Convergent Wireless Communications
95% of the problems or more that we get from customers are solved locally.
Read full review of PRTG Network Monitor »
Callum Williams
Systems Engineer at Converse Pharma Group
The technical support is very interactive. They've invited us to go down to the computer museum down in Milton...
Read full review of PRTG Network Monitor »
Percy Driver
System & Network Lead at Beachcombers Vacations
I have not contacted technical support. We did at some point have technical issues but the online technical...
Read full review of PRTG Network Monitor »
Anonymous User
IT Adminstrator
Customer Service: I haven't had access to it, the client did not provide me with that information. Technical Support:...
Read full review of PRTG Network Monitor »
David Ashcroft
IT Infrastructure Engineer at Runshaw College
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 »
Jose Robles
CEO & Founder at SISTECO
I would rate the technical support and eight out of ten. They could be a little better in terms of response speed....
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 »
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 »
Anonymous User
Group Information Security Manager at a comms service provider
There have been no real problems with tech support. We don't really need to go to them, the product takes care of...
Read full review of PRTG Network Monitor »
John Goutbeck
Senior Network Analyst at New Signal Systems
We have not needed to contact technical support, but the forums are pretty good. We did not use technical support...
Read full review of PRTG Network Monitor »

Review 1 of 30

Amit Goyal
Consultant at Tata Consultancy Services
We have had some issues with technical support.
Read full review of Tenable.io Container Security »
Harshal Deshmukh
CEO and Managing Director at Digidata Infsystems Private Limited
The customer service and support are nice. Sometimes, there are lags but overall it was okay.
Read full review of Tenable OT Security »
Muhammad Kamran Khan
Chief information security officer at a financial services firm
We contacted support for some scenarios, like upgrades, new security patches, and for some customized reports. We...
Read full review of Tenable Nessus »
TomasStasek
IT Director at Teleperformance
The support we have for Tenable Nessus is internal. The IT teams for Tenable Nessus are in the Czech Republic for us.
Read full review of Tenable Nessus »
HarshBhardiya
SOC Engineer at a outsourcing company
The technical support is good yet could improve in terms of response time. The feedback and reply times should be...
Read full review of Tenable Nessus »
Jahanzeb Feroze Khan
Assistant Manager Network Security at Institute of Business Administration, Karachi
The technical support is not very good. We didn't get a good response when we contacted them. We had to go through...
Read full review of Tenable Security Center »
Jahanzeb Feroze Khan
Assistant Manager Network Security at Institute of Business Administration, Karachi
The technical support should be improved.
Read full review of Tenable.io Web Application Scanning »
Daniel_Ndiba
Assistant Manager - Cyber & Cloud Security at a financial services firm
Their technical support is quite good, and they're very responsive. If there is any issue they perform quite quickly....
Read full review of Tenable Security Center »
Ondrej Kováč
Solution Engineer at Exclusive Networks Czechia
My partners complain that support is not consistent and replies come late. It is small company and to offer worldwide...
Read full review of Tenable Cloud Security »
Mahmoud Elhamaymy
Professional services team lead at a tech services company
I have dealt with technical support once. They were very good and very responsive.
Read full review of Tenable.io Web Application Scanning »
Venugopal Potumudi
Senior Consultant at Tata Consultancy
We've never had any real difficulties, and therefore we haven't really dealt with support.
Read full review of Tenable Vulnerability Management »
Rafael Ustariz
IT security consultant at Netready LATAM
Tenable SC support has been very helpful.
Read full review of Tenable Security Center »
Harshal Deshmukh
CEO and Managing Director at Digidata Infsystems Private Limited
We haven't yet contacted Tenable's technical support because we have a good team trained in Tenable tools. We don't...
Read full review of Tenable.io Web Application Scanning »
Anonymous User
Security Architect at a logistics company
Tenable's technical support is good, except for things that involve some of the custom development work that we've...
Read full review of Tenable Nessus »
Gintaras_Navickas
Cyber Security Officer at Gudu
I consulted with support about half a year ago. They connected through TeamViewer and helped me resolve the problem.
Read full review of Tenable Nessus »
Andrew Lane
Cloud Security Engineer at a tech vendor
Customer support for Tenable Cloud Security is recommended, with no problems and very responsive.
Read full review of Tenable Cloud Security »
Anonymous User
Sr. Principal IT Architect at a manufacturing company
We think technical support is pretty good. We have specific needs as defense contractors and they're able to meet...
Read full review of Tenable Security Center »
Taras Dubrova
BDM at Oberig-it
Our vendor is Broadview, and they offer various support levels. In a typical scenario, with the initial level of...
Read full review of Tenable Cloud Security »
Manoj Nair
Tech consultant at select softwares
I have not contacted technical support so far, as there was no issue to escalate.
Read full review of Tenable Security Center »
Pov Men
Network Security Engineer at np secure
The customer service/technical support for the solution is very good.
Read full review of Tenable Vulnerability Management »
Hatem Langar
Security Analyst at TOPNET
We have encountered some problems with the technical support from Tenable; I would rate it a five out of ten. It is...
Read full review of Tenable.io Web Application Scanning »
Anonymous User
Information Security Architect at Injazat Data Systems
The technical support is good and provides a quick response whenever contacted by us.
Read full review of Tenable Security Center »
Anonymous User
IT Consultant - Microsoft Design and Implementation at a tech services company
We have contacted their customer support and they were fine.
Read full review of Tenable Security Center »
Anonymous User
Chief Hacking Officer at a security firm
We haven't had the need to contact technical support.
Read full review of Tenable Nessus »
Anonymous User
Vulnerability Management Analyst at a financial services firm
We've worked with technical support in the past, and we've found them to be quite efficient. They are knowledgable...
Read full review of Tenable Nessus »
Anonymous User
Cyber Security Analyst at a non-tech company
We don't have many issues.
Read full review of Tenable Vulnerability Management »
Anonymous User
Director of Cyber Security at a outsourcing company
I provide support to my customers. I have not run into an issue that I needed to contact the support from Tenable.io...
Read full review of Tenable.io Web Application Scanning »
Nuki Agustino Wono
Senior Security Consultant at ITSEC Asia
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
CISO at a financial services firm
The support team is very good and we are quite happy with them. When we had the trouble with Docker Version 2, they...
Read full review of Tenable Vulnerability Management »
Arun Seetha
Cyber Security Architect at a security firm
I am talking about their technical support, and it is good. However, there are times when I am dealing with certain...
Read full review of Tenable.io Container Security »

Review 1 of 30

Technical Support

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