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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
8th
Average Rating
8.8
Reviews Sentiment
7.0
Number of Reviews
55
Ranking in other categories
Vulnerability Management (5th), Cloud Workload Protection Platforms (CWPP) (7th), Cloud Security Posture Management (CSPM) (6th), SaaS Security Posture Management (SSPM) (2nd), Cloud-Native Application Protection Platforms (CNAPP) (6th)
NGINX App Protect
Ranking in Container Security
29th
Average Rating
8.2
Reviews Sentiment
6.4
Number of Reviews
27
Ranking in other categories
Web Application Firewall (WAF) (17th), API Security (10th)
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 November 2026, in the Container Security category, the mindshare of Qualys TotalCloud is 1.8%, up from 1.1% compared to the previous year. The mindshare of NGINX App Protect is 0.7%, up from 0.3% compared to the previous year. The mindshare of Tenable.io Container Security is 1.1%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Security Mindshare Distribution
ProductMindshare (%)
Qualys TotalCloud1.8%
Tenable.io Container Security1.1%
NGINX App Protect0.7%
Other96.4%
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

"My experience with using TruRisk to mitigate noise from raw CVEs has been extremely effective."
"By integrating TotalCloud, we have significantly reduced vulnerabilities in our deployment pipeline."
"The platform's unified view of the organization proves particularly valuable for leadership team meetings."
"Qualys TotalCloud has improved our security posture."
"TotalCloud provides the easiest and the best approach for cloud infrastructure management."
"Its excellent graphical interface makes the scanning process simple."
"CSPM is currently the most used feature, and we are enjoying the new feature, FlexScan, which is valuable for Internet-facing VMs."
"The best feature would be the ability to create policies. It is easy to control and update policies as required."
"The most valuable feature is that there is a link in the system that will help to analyze the security of an application when something abnormal is found."
"WAF is useful to track mitigation, inclusion, prevention, and the parametric firewall."
"The most valuable feature of NGINX App Protect is its flexibility."
"Based on my experience, this solution is better than the other choices on the market."
"The most valuable feature of NGINX App Protect is its open source."
"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."
"The tool is not complex and is very user-friendly."
"NGINX App Protect is stable."
"The tool's most valuable feature is scanning, reporting, and troubleshooting."
"It helps us secure our applications from the build phase and identify the weaknesses from scratch."
"Nessus scanner is very effective for internal penetration testing."
"The strong security provided by the product in the container environment is its most valuable feature."
"It is a scalable solution. Scalability-wise, it is a good solution."
"By using Nessus, we are able to finish testing with assured results, in half the time."
"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."
"Most valuable are the reports that are quite good, particularly the detailed ones for container image scanning."
 

Cons

"The price is very expensive, actually."
"TotalCloud could improve the classification of vulnerabilities. Specifically, it could enhance the categorization of what aspects fall under patches resolved by OS or software updates and what pertains to configuration adjustments."
"The cloud licensing unit system is unclear, especially since "units" aren't well-defined."
"Qualys TotalCloud has the potential to improve by integrating a hybrid platform for comprehensive management of both on-premises and cloud infrastructures."
"In my opinion, the combination of detection and protection features in Qualys TotalCloud cannot protect but can only detect."
"The vulnerability part is good, but the policy compliance module needs improvement because it involves a lot of manual work. Specifically, the remediation part of the controls requires enhancements."
"Regarding improvements to Qualys TotalCloud, I suggest that user navigation can be enhanced because initially, many users found it complicated and had trouble understanding the platform due to information being spread across multiple tabs."
"The onboarding process is a bit difficult. In the initial phase, it is very difficult to understand the features, what the dashboard contains, and what criteria they are using."
"Areas for improvement would be if NGINX could scan for vulnerabilities and learn and update the signatures of DoS attacks."
"The configuration needs to be more flexible because it is difficult to do things that are outside of the ordinary."
"The integration of NGINX App Protect could improve."
"Right now, the tool doesn't provide an option revolving around update feeds, specifically the signature update option in the UI."
"The solution needs to be improved in the e-commerce portal."
"The product's user interface is an area with shortcomings as it can be quite confusing for users, making it an area where improvements are required."
"Its technical support could be better."
"The support from NGINX App Protect is too expensive."
"The support is tricky to reach, so we would like better-oriented technical support enabled."
"The solution’s pricing could be improved."
"The initial setup is highly complex."
"Tenable.io Container Security should improve integration modules. It should also improve stability."
"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."
"I feel that in certain areas this product has false positives which the company should work on. They should also try to include business logic vulnerabilities in the scanner testing. Finally, the vulnerability assessment feature should be increased to other hardware devices, apart from firewalls."
"They need to work on auto-remediation so it's easier for the security team to act quickly when certain assets or resources are deployed. The latest version has a CIS benchmark that you need to meet for containers in the cloud, but more automation is needed."
"I feel that in certain areas this product has false positives which the company should work on."
 

Pricing and Cost Advice

"The cost is high, but it meets our organizational needs."
"Qualys TotalCloud offers cost-effective licensing flexibility."
"TotalCloud's price is about right where I would expect it to be."
"The pricing is comparable. It is built into our other product, so I cannot piecemeal it. It is a part of our subscription."
"Qualys TotalCloud is expensive, but it offers a premier solution with no headaches."
"The pricing for TotalCloud is attractive and competitive in the market. Given the features, especially the dashboard, I have no concerns regarding pricing."
"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."
"The price of NGINX App Protect is not much different from the products that fall under the leader category of Gartner Magic Quadrant."
"The pricing is reasonable because NGINX operates on an instance basis."
"NGINX App Protect is expensive."
"The price of NGINX App Protect is approximately $3,000 annually. All of our licenses are observed by a managed service partner."
"There are no additional fees."
"The solution's price is reasonable."
"NGINX is not expensive."
"Really understand the licensing model, because we underestimated that."
"I rate the tool's pricing a three out of ten."
"I rate the product’s pricing a six out of ten."
"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."
"The solution's pricing is neither cheap nor very expensive."
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Top Industries

By visitors reading reviews
Comms Service Provider
18%
Outsourcing Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
Comms Service Provider
13%
Financial Services Firm
10%
Manufacturing Company
9%
Construction Company
8%
Financial Services Firm
14%
Outsourcing Company
8%
Manufacturing Company
6%
Media Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise11
Large Enterprise39
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 is your experience regarding pricing and costs for Qualys TotalCloud?
We purchased Qualys TotalCloud for GCP and Azure as well. It is comparatively better than others regarding pricing. T...
What needs improvement with Qualys TotalCloud?
I am unsure about how Qualys TotalCloud can be improved. I do not have anything else to add about the needed improvem...
What is your primary use case for Qualys TotalCloud?
My main use case for Qualys TotalCloud is telemetry, although I am unsure about the specifics. A quick specific examp...
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
Information Not Available
ServiceMaster
Find out what your peers are saying about NGINX App Protect vs. Tenable.io Container Security and other solutions. Updated: September 2026.
921,523 professionals have used our research since 2012.