Compare Paessler GmbH vs Tenable

Paessler GmbH

Based on 124 reviews.

Tenable

Based on 251 reviews.

Latest Research

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PRTG Network Monitor vs. SolarWinds NPM

October 2026

SolarWinds NPM vs. PRTG Network Monitor

Updated: October 2026

Buyer's Guide

PRTG Enterprise Monitor vs. PRTG Network Monitor

November 2026

PRTG Network Monitor vs. PRTG Enterprise Monitor

Updated: November 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

14 reviews

PRTG Enterprise Monitor

4 reviews

Tenable Nessus

10 reviews

Tenable Security Center

5 reviews

Tenable Vulnerability Management

7 reviews

Top Industries

Comms Service Provider

11%

Financial Services Firm

10%

Outsourcing Company

Healthcare Company

Financial Services Firm

10%

Manufacturing Company

10%

Outsourcing Company

Comms Service Provider

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

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 1

TarunKumar2
Deputy Global Chief Information Security Officer at Nissan Digital
I think we use Tenable Vulnerability Management primarily for our internal use. We are not a reseller; we are a...
Read full review of Tenable Vulnerability Management »
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 »
Sunil Ramroop
Information Resources Coordinator - Application at PowerGen
Tenable Attack Surface Management is used in our OT environment to monitor the activities within our operational...
Read full review of Tenable Attack Surface Management »
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 »
Anonymous User
Head of Information Security at a consultancy

Read full review of Tenable Security Center »

Review 1 of 5

Customer Service

AdinathBhokare
Technical Lead at Dexian
As of now, we have not required any support to date.
Read full review of PRTG Network 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 »
Chandhan P
Software engineer at Bosch
I haven't personally interacted with customer support, but I have heard it has been good.
Read full review of PRTG Network Monitor »
Tanveer Khalid
Technical Consultant at Kidan
The support is provided by a third party for PRTG solutions to any other clients. In that case, the company will...
Read full review of PRTG Enterprise 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 »
Ahmed Nagm
IT Solution Consultant at PCS
I have not needed to contact technical support.
Read full review of PRTG Network Monitor »
Shubham Bharti
Associate Consultant at Capgemini
Customer support for PRTG Network Monitor is very good, and we can reach out to support as needed. They provide us...
Read full review of PRTG Network Monitor »
Rodrigo Corte
Operational Management at Eleven
The technical support is fine, I've never had a problem.
Read full review of PRTG Network Monitor »
Kaso Baxtiar
Jr IT support at localnet
I have never actually been in touch with technical support. I have colleagues who have dealt with them. However, I...
Read full review of PRTG Network Monitor »
Anonymous User
Network Engineer at a financial services firm
I've not had to use the tech support. I do use the online resources and, from that point of view, there seems to be a...
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 »
ShubhamBharti
Software Engineer at Asahi Beverages
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 »
SikanderAli
IT Infrastructure Engineer at Atlas
Technical support is available on the web. Tutorials are available so I can manage any issue with PRTG Network...
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 »
Rod Cushman
Network Manager at Baldwin Family Health Care
Tech support and sales have been great.
Read full review of PRTG Network Monitor »
Rodrigo Corte
Operational Management at Eleven
PRTG Network Monitor's technical support is great.
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 »
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 »
Anonymous User
Network Department MAnager at Engineering Consultants Group S.A.
The technical support is excellent.
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 »
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 »
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
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 »
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 »
Keith C.
Senior Manager, Enterprise Infrastructure at a manufacturing company
I've had no contact with PRTG support.
Read full review of PRTG Network Monitor »
Anonymous User
Director at a tech services company
We have our own technical team. As such, there has been no need for us to be in touch with technical support.
Read full review of PRTG Network Monitor »
Jeff Ong
Sales Manager at peri tech
The solution's technical support is fast but our customers don't need support since they use only basic features and...
Read full review of PRTG Enterprise Monitor »
JulianRodriguez
Senior Network Engineer at Axesat S.A.
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
Senior Network & Security Engineer at a construction company
The technical support needs some improvement. The response time is slow, we normally get a response the next business...
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 »

Review 1 of 30

Md. Shahriar Hussain
Information Security Analyst at Banglalink
The technical support is good. They offer expensive professional support, but I generally use the website...
Read full review of Tenable Nessus »
Mona Nyachhyon
Director at Monal Tech Pvt.Ltd.
I rate the support of Tenable Nessus a six out of ten.
Read full review of Tenable Nessus »
Amr Abdelnaser
Senior Information Security Analyst at EastNets Holding Ltd.
My colleagues say that the tech support team is very responsive and helpful.
Read full review of Tenable Vulnerability Management »
Robert Cheruiyot
IT Security Consultant at Microlan Kenya Limited
We haven't had a lot of challenges with the solution and therefore have not really contacted technical support.
Read full review of Tenable.io Web Application Scanning »
Jahanzeb Feroze Khan
Assistant Manager Network Security at Institute of Business Administration, Karachi
Support doesn't understand the issues and cannot arrange resources per our time.
Read full review of Tenable.io Container Security »
AdeelAgha
Team Lead - Cyber Security & Compliance at Al Tuwairqi Group
After deploying Tenable, I spoke with the technical support a maximum of two or three times. They are very...
Read full review of Tenable Vulnerability Management »
Matthew Weisler
Sole Proprietor at Core-Infosec
I have not needed technical support. A colleague reported that a licensing issue took two weeks to resolve. A bigger...
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 »
Sereyreach Dy
Security Infrastructure Engineer at NP Secure Co.,Ltd
For the solution's technical support, our company directly seeks help from the solution's vendor in Vietnam or...
Read full review of Tenable Nessus »
Mahmoud Elhamaymy
Professional services team lead at a tech services company
Tenable technical support is very good. They are very helpful, and responsive. We had experienced some delays in two...
Read full review of Tenable Security Center »
Gabriel Clement
Lead IT Security and Remediation at a financial services firm
I've not escalated anything to technical support.
Read full review of Tenable Nessus »
Yogeswaran Neelagandan
Key Account Manager at Uniware
Customer support is a challenge. Tenable charges extra for it, which means clients have to buy the license separately...
Read full review of Tenable Vulnerability Management »
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 »
Mohamed-Helmy
Chief Information Security Officer at MIDBANK
Tenable technical support needs improvement.
Read full review of Tenable Security Center »
Kayhan Kayihan
Co-Founder at RSU Consultancy
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 »
Anonymous User
Chief Executive Officer at a outsourcing company
We can contact technical support using their web console. We can log a support ticket as end users, although we...
Read full review of Tenable Nessus »
Anonymous User
Security Specialist at a security firm
In general, it is fast. In some cases, we need L3 support, which can take some time, but overall, it is really fast....
Read full review of Tenable.io Web Application Scanning »
Anonymous User
Ex Senior Security Analyst and Onsite consultant at Paladion Networks
We experienced very quick customer support. They had a complete list of our previous issues along with our history...
Read full review of Tenable.io Container Security »
HARI EDARA
IT Manager at State of Texas
The customer service is good. The support team is very responsive.
Read full review of Tenable Vulnerability Management »
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 »
Anonymous User
Security Specialist at a security firm
Technical support has been good. They respond quite quickly.
Read full review of Tenable Vulnerability Management »
Dr Trust Tshepo Mapoka
Senior Cybersecurity Consultant at CIA Botswana
Tenable's technical support has a very good turnaround time.
Read full review of Tenable Nessus »
Anonymous User
Security Engineer at a media company
The technical support has been very useful. They are helpful. I rate the technical support from Tenable Nessus a four...
Read full review of Tenable Nessus »
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
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 »
Attila Mate Kovacs
Senior Cyber Security Expert at a security firm
My experience with technical support is very positive.
Read full review of Tenable Nessus »
Joey Smith
Medical Device Cybersecurity Analyst at a healthcare company
I don't generally talk to tech support. That's handled by my colleague or someone else in the security team. But I...
Read full review of Tenable Security Center »
Anonymous User
SOC Analyst at a energy/utilities company
I would evaluate Tenable Vulnerability Management's customer service and technical support as average. I would rate...
Read full review of Tenable Vulnerability Management »
SivaMurali
Senior Cybersecurity Consultant at a tech services company
Customer service and support with Tenable is good. They are knowledgeable and responsive. I would rate their service...
Read full review of Tenable Security Center »
Anonymous User
Lead Cyber Security engineer at a tech services company
We feel the solution's technical support to be very bad. While we do receive a response upon creating a ticket, it is...
Read full review of Tenable Nessus »

Review 1 of 30

Technical Support

No Data Available

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