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NGINX App Protect vs Tenable.io Container Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 16, 2024

Review summaries and opinions

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

Categories and Ranking

Qualys TotalCloud
Sponsored
Ranking in Container Security
11th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
46
Ranking in other categories
Vulnerability Management (11th), Cloud Workload Protection Platforms (CWPP) (8th), Cloud Security Posture Management (CSPM) (8th), SaaS Security Posture Management (SSPM) (2nd), Cloud-Native Application Protection Platforms (CNAPP) (7th)
NGINX App Protect
Ranking in Container Security
27th
Average Rating
8.2
Reviews Sentiment
6.4
Number of Reviews
27
Ranking in other categories
Web Application Firewall (WAF) (19th), API Security (9th)
Tenable.io Container Security
Ranking in Container Security
26th
Average Rating
8.0
Reviews Sentiment
6.1
Number of Reviews
9
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Container Security category, the mindshare of Qualys TotalCloud is 1.7%, up from 1.1% compared to the previous year. The mindshare of NGINX App Protect is 0.6%, up from 0.3% compared to the previous year. The mindshare of Tenable.io Container Security is 1.0%, down from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Security Mindshare Distribution
ProductMindshare (%)
Qualys TotalCloud1.7%
Tenable.io Container Security1.0%
NGINX App Protect0.6%
Other96.7%
Container Security
 

Featured Reviews

reviewer2859021 - PeerSpot reviewer
Sr Security Engineer at a tech vendor with 5,001-10,000 employees
Risk-based triage has transformed container security and now prioritizes high-impact threats
The best features Qualys TotalCloud offers currently include managing cloud infrastructure and container security while facing major challenges such as alert fatigue. Traditional vulnerability scanners flag hundreds of CVEs on short-lived Kubernetes containers, some of which have no internet exposure or are gone before we can even triage them. I leverage Qualys TotalCloud to move beyond static CVSS. I use it to implement runtime exposure, correlation risk reprioritization, and shift-left integration. This notifies developers to fix a base image upstream rather than patching live ephemeral instances. In my work with cloud and container security, the biggest operational hurdle was alert fatigue. I use Qualys to shift left from static CVSS severity to context-aware risk prioritization. I correlated raw vulnerability data with real-time risk factors such as public network exposure, active runtime execution, or overly permissive IAM roles. This allows us to immediately drop the priority of isolated containers and escalate lower-severity CVEs that sit on an exposed, high-risk path. We can map these findings directly back to our CI/CD pipelines so developers can patch the root base images upstream. We have drastically cut down the signal-to-noise ratio, saved a lot of manual hours doing triage work, and ensured engineering effort goes directly towards high-impact risk reduction.
Valerio Guaglianone - PeerSpot reviewer
Dev Ops Engineer at adesso AG
Long-term web protection has supported reliable traffic management but needs a simpler interface
NGINX App Protect is a good product. I have used both versions from F5 -also the free version- (I mean the NGINX/NGINX One/App Protect free trial period), and I think it is a good product. It's stable, affordable, and easy to manage. NGINX App Protect is a comprehensive security solution that combines advanced WAF, DoS protection, API security, and DevSecOps automation in a lightweight, scalable package ideal for modern cloud-native architectures. The adaptive machine learning capabilities are truly commendable, as the solution can establish traffic baselines and detect anomalies in real time. It automatically adjusts security policies, minimizing the need for manual intervention and reducing false positives. Additionally, it supports scalable deployment across diverse environments, including on-premises, cloud, Kubernetes, and containers, offering both flexibility and scalability I have experience with the web server, F5 load balancer, and similar products provided by Ergon, for eg. the web application firewall and the Microgateway for K8S. I'm also familiar with F5 BIG-IP products.
AS
Cyber Security Architect at a security firm with 201-500 employees
Detailed container image reports have improved vulnerability insight and support secure operations
Most valuable are the reports that are quite good, particularly the detailed ones for container image scanning. Tenable.io Container Security is giving me the vulnerability information of Docker images and the information about software bill of materials. However, my challenge at this time is that I am using all these solutions with GitLab Ultimate, and it does not support integration, so I am doing some alternate arrangements which are giving me operational complexity because I need to introduce something else instead of GitLab Ultimate. That is the primary concern regarding the benefits of real-time visibility into my containerized application security status.

Quotes from Members

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

Pros

"Qualys TotalCloud has helped us view our risk structure, vulnerabilities, and security posture."
"The scalability is good as well. I would rate it ten out of ten."
"It is a cloud-native app that integrates with both IaaS and SaaS. It seamlessly integrates with other platforms."
"Qualys TotalCloud is overall the best tool available in the market for scanning purposes."
"CSPM is currently the most used feature, and we are enjoying the new feature, FlexScan, which is valuable for Internet-facing VMs."
"TotalCloud has been excellent in providing us with immediate access to all the products and features we need, such as CSPM, TruRisk Insights, and compliance reports, including CIS and HIPAA."
"With TotalCloud, we can scan through the API. If we are not able to deploy cloud agents on the machine, we can use the API."
"The platform's unified view of the organization proves particularly valuable for leadership team meetings."
"The tool's most valuable feature is the OWASP certification. Additionally, the tool's ability to enforce strong passwords and OTP within minutes is impressive. With its analytics and recommendations, it is a very good solution."
"The solution is very good overall."
"It is a stable solution."
"I would say that the most valuable feature is the ability to operate in a DevOps environment and to be configured through API and pipeline by the developers themselves."
"NGINX App Protect has improved the flexibility of services in our company and distributed new escalation applications."
"WAF is useful to track mitigation, inclusion, prevention, and the parametric firewall."
"The initial setup was simple and took three to four days."
"There's a cache, or it works like a proxy, so it can speed up applications."
"It helps us secure our applications from the build phase and identify the weaknesses from scratch."
"Most valuable are the reports that are quite good, particularly the detailed ones for container image scanning."
"Nessus scanner is very effective for internal penetration testing."
"Tenable.io detects misconfiguration when you deploy a Docker or Kubernetes container. It's much better to remedy these issues during deployment instead of waiting until the container is already in the production environment."
"The tool's most valuable feature is scanning, reporting, and troubleshooting."
"By using Nessus, we are able to finish testing with assured results, in half the time."
"The solution shows you the exploitable vulnerabilities and helps you prioritize."
"It is a scalable solution. Scalability-wise, it is a good solution."
 

Cons

"The areas in the solution that have room for improvement include the UI/UX design, which should be improved, and they should integrate more artificial intelligence into the product."
"There is room for improvement in the support."
"An area for improvement would be to focus on risks related to AI, such as large language models and potential data leakage."
"I think Qualys TotalCloud needs to improve its handling of zero-day vulnerabilities and supply chain management because modern ransomware attacks not only target prime critical infrastructures but also the supply chain system."
"With the growing integration of AI, I would like Qualys to enhance its service offerings to better accommodate AI-related risks."
"The price is very expensive, actually."
"Qualys TotalCloud needs to enhance its scanning capabilities in the IP domain, as it currently lacks the functionality to resolve IPs to their corresponding domain names."
"I would like the ability to disable certain default built-in policies as they can be misleading when creating dashboards. That is the top one."
"NGINX App Protect could improve security."
"The dashboard could provide a more comprehensive view of the status of the connections."
"This solution is not really scalable. Both the virtual appliance and the physical appliance are limited in terms of how much traffic they can handle."
"They have a messy license model; it's not really made for microservice architecture. It's getting expensive really, really fast."
"The contributions I think sometimes take a toll on you like you're going to spend a lot of time on the right contributions."
"NGINX App Protect would be improved with integration with Shape and F5 WAF, which would make it easy for users to manage all their web application security with a single solution."
"Setting policies and parameters through the UI should be more automated because the process is manual, where we can only edit one rule at a time."
"Right now, the tool doesn't provide an option revolving around update feeds, specifically the signature update option in the UI."
"I believe integration plays a crucial role for Tenable, particularly in terms of connecting with other products and various container solutions like Docker or Kubernetes. It seems that in future updates, enhanced integration is something I would appreciate. Currently, there is integration with Docker, but when it comes to Kubernetes or other container solutions, it appears to be a challenge, especially with on-prem scanners."
"The support is tricky to reach, so we would like better-oriented technical support enabled."
"The stability and setup phase of the product are areas with shortcomings where improvements are needed."
"I feel that in certain areas this product has false positives which the company should work on."
"The initial setup is highly complex."
"Tenable.io Container Security should improve integration modules. It should also improve stability."
"However, my challenge at this time is that I am using all these solutions with GitLab Ultimate, and it does not support integration, so I am doing some alternate arrangements which are giving me operational complexity because I need to introduce something else instead of GitLab Ultimate."
"The solution’s pricing could be improved."
 

Pricing and Cost Advice

"Qualys TotalCloud is cost-efficient and was selected for its value compared to other products."
"Qualys TotalCloud offers good pricing that is affordable and competitive with the market. Our partnership also provides us with additional benefits."
"TotalCloud's price is about right where I would expect it to be."
"Although Qualys TotalCloud is relatively expensive due to its unique automation features, its cost-effectiveness is rated an eight out of ten, with ten being the most costly."
"As a middle management member, I do not have direct pricing knowledge, but based on the knowledge from our meetings, its pricing is competitive."
"Qualys TotalCloud is expensive, but it offers a premier solution with no headaches."
"It isn't cheap, but it's reasonable. It helps us to manage things with very few resources."
"Qualys TotalCloud is expensive."
"NGINX is not expensive."
"The price of NGINX App Protect is approximately $3,000 annually. All of our licenses are observed by a managed service partner."
"The solution's price is reasonable."
"Really understand the licensing model, because we underestimated that."
"There are no additional fees."
"The licensing fees for this solution are pretty expensive for what it does, but there is no alternative."
"Our licensing costs are about $40,000 a year."
"The pricing is reasonable because NGINX operates on an instance basis."
"I rate the product’s pricing a six out of ten."
"The solution's pricing is neither cheap nor very expensive."
"It's best to be an institutional buyer and directly contact the sales team as they can provide over-the-top discounts for bulk orders."
"The product does not operate on a pay-per-license model."
"I rate the tool's pricing a three out of ten."
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Top Industries

By visitors reading reviews
Comms Service Provider
16%
Outsourcing Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
Comms Service Provider
13%
Financial Services Firm
11%
Construction Company
8%
Healthcare Company
7%
Financial Services Firm
13%
Manufacturing Company
8%
Outsourcing Company
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise5
Large Enterprise34
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise7
Large Enterprise14
By reviewers
Company SizeCount
Small Business2
Midsize Enterprise3
Large Enterprise4
 

Questions from the Community

What needs improvement with Qualys TotalCloud?
In terms of improvement, remediation still belongs to the cloud team, which is one of the issues we faced with Qualys...
What is your primary use case for Qualys TotalCloud?
My main use case for Qualys TotalCloud is regarding the cloud visibility that we were not having previously. Previous...
What is your experience regarding pricing and costs for NGINX App Protect?
I will not be able to answer about my experience with pricing, setup cost, and licensing for NGINX App Protect, as so...
What needs improvement with NGINX App Protect?
I did not face any issues with NGINX App Protect. The only issue that we had is that someone was trying to install th...
What is your primary use case for NGINX App Protect?
I have been dealing with NGINX App Protect and the WAF policy. I usually recommend NGINX App Protect for banking and ...
What needs improvement with Tenable.io Container Security?
Several things need improvement about Tenable.io Container Security. First, they should support GitLab Ultimate. Seco...
What is your primary use case for Tenable.io Container Security?
I have been dealing with Tenable.io Container Security for almost four to six months.
What advice do you have for others considering Tenable.io Container Security?
Tenable.io Container Security is a good product. I am currently using Tenable Enclave Security. When I say metrics, I...
 

Also Known As

Qualys TotalCloud with FlexScan
NGINX WAF, NGINX Web Application Firewall
Tenable FlawCheck, FlawCheck
 

Overview

 

Sample Customers

Information Not Available
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ServiceMaster
Find out what your peers are saying about NGINX App Protect vs. Tenable.io Container Security and other solutions. Updated: September 2026.
913,683 professionals have used our research since 2012.