Tenable.io Container Security vs Threat Stack Cloud Security Platform [EOL] comparison

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Tenable and F5 are both solutions in the Container Security category. Additionally, 87% of Tenable users are willing to recommend the solution, compared to 88% of F5 users who would recommend it.

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Executive SummaryUpdated on Nov 16, 2025

Threat Stack Cloud Security Platform [EOL] and Tenable.io Container Security are competing in cloud security. Tenable.io Container Security seems to have the upper hand due to its comprehensive container scanning and image assessment features.

Features: Threat Stack Cloud Security Platform [EOL] offers strong risk identification, auditing capabilities, and connectivity with Docker containers and AWS. Tenable.io Container Security provides detailed container scanning, image assessments, and real-time misconfiguration detection for Docker and Kubernetes environments.

Room for Improvement: Threat Stack could improve customer service responsiveness, enhance Kubernetes monitoring, and simplify setup for complex infrastructures. Tenable.io might improve user-interface clarity, offer better integration options with third-party tools, and optimize scanning speed for larger deployments.

Ease of Deployment and Customer Service: Tenable.io Container Security offers straightforward deployment with strong customer support for container environments, providing tailored assistance. Threat Stack Cloud Security Platform [EOL] has an intuitive deployment process but faces challenges with customer service responsiveness.

Pricing and ROI: Threat Stack Cloud Security Platform [EOL] offers budget-friendly initial setup costs but variable ROI depending on use cases. Tenable.io Container Security, with higher setup costs, provides a notable ROI due to advanced container-specific features, making it an attractive option for organizations utilizing container technologies.

To learn more, read our detailed Container Security Report (Updated: October 2026).

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Container Security

October 2026

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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

Featured Reviews

reviewer2859021

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.

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Arun Seetha

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.

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Skyler Cain

Software Development Manager at Rent Dynamics

SecOps program for us, as a smaller company, is amazing; they know what to look for

They could give a few more insights into security groups and recommendations on how to be more effective. That's getting more into the AWS environment, specifically. I'm not sure if that's Threat Stack's plan or not, but I would like them to help us be efficient about how we're setting up security groups. They could recommend separation of VPCs and the like - really dig into our architecture. I haven't seen a whole lot of that and I think that's something that, right off the bat, could have made us smarter. Even as part of the SecOps Program, that could be helpful; a quick analysis. They're analyzing our whole infrastructure and saying, "You have one VPC and that doesn't make a lot of sense, that should be multiple VPCs and here's why." The architecture of the servers in whatever cloud-hosting provider you're on could be helpful. Other than that, they should continue to expand on their notifications and on what's a vulnerability. They do a great job of that and we want them to continue to do that. It would be cool, since the agent is already deployed and they know about the server, they know the IP address, and they know what vulnerability is there, for them to test the vulnerability and see if they can actually exploit it. Or, once we patch it, they could double-check that it can't be. I don't know how hard that would be to build. Thinking on it off the top off my head, it could be a little challenging but it could also be highly interesting. It would also be great if we could test a couple of other features like hammering a server with 100 login attempts and see what happens. Real test scenarios could be really helpful. That is probably more something close to what they do with the SOC 2 audit or the report. But more visualization of that, being able to test things out on our infrastructure to make sure we can or can't hit this box could be interesting.

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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 great."

"Qualys TotalCloud has improved our security posture."

"Qualys TotalCloud has positively impacted our organization by helping us save time and manage all assets and remediation, allowing us to achieve quarterly and half-yearly goals."

"I would definitely recommend Qualys TotalCloud to other customers."

"The most valuable feature of Qualys TotalCloud is the visibility it provides."

"Its excellent graphical interface makes the scanning process simple."

"I highly recommend Qualys TotalCloud to other users."

"I appreciate Qualys TotalCloud's ability to onboard any type of device with ease, including containers."

More Qualys TotalCloud pros

"The solution shows you the exploitable vulnerabilities and helps you prioritize."

"The tool's most valuable feature is scanning, reporting, and troubleshooting."

"The strong security provided by the product in the container environment is its most valuable feature."

"Most valuable are the reports that are quite good, particularly the detailed ones for container image scanning."

"Currently, I haven't implemented the solution due to its deprecation by the site. However, I can highlight some benefits of Tenable Cloud Security, a cybersecurity solution with various features for scanning vulnerabilities in both cloud environments and on-premises container security."

"Nessus scanner is very effective for internal penetration testing."

"It helps us secure our applications from the build phase and identify the weaknesses from scratch."

"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."

More Tenable.io Container Security pros

"We like the ability of the host security module to monitor the processes running on our servers to help us monitor activity."

"The rules are really great. They give us more visibility and control over what's being triggered. There's a large set of rules that come out-of-the-box. We can customize them and we can create our own rules based on the traffic patterns that we see."

"Technical support is very helpful."

"It is a cost-effective choice versus other solutions on the market."

"We find the licensing and pricing very easy to understand and a good value for the services provided."

"It is a fantastic tool that gives us a level of comfort knowing that there is not only something that's watching, something that can alert and detect, but also knowing that there's an outsourced operation center that can be an auxiliary part of our security team."

"There has been a measurable decrease in the meantime to remediation... because we have so many different tech verticals already collated in one place, our ability to respond is drastically different than it used to be."

"The number-one feature is the monitoring of interactive sessions on our Linux machines. We run an immutable environment, so that nothing is allowed to be changed in production... We're constantly monitoring to make sure that no one is violating that. Threat Stack is what allows us to do that."

More Threat Stack Cloud Security Platform [EOL] pros

Cons

"Areas that need improvement in every solution include the remediation part. The remediation steps should be simple enough for everyone to understand."

"Qualys TotalCloud can be improved in the integration piece, especially with ServiceNow, where there's a bidirectional sync integrated, as there is no native capability from Qualys that can give monitoring metrics of how many assets came in and how many failed or were not properly reconciled or combined."

"It has been working very well, but it would be helpful if the dashboard could generate reports tailored to specific compliance needs. For example, in India, we have to comply with RBI and SEBI guidelines. It w"

"The response part of the Cloud Detection and Response (CDR) module can be improved."

"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."

"We encountered challenges identifying the correct resource category for certain items, such as those in containers or storage."

"From a downside perspective, the UI is not user-friendly and feels dated compared to other tools like Prisma Cloud."

"Although TotalCloud is a helpful tool, some of its advanced features are still under development."

More Qualys TotalCloud cons

"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."

"Tenable.io Container Security should improve integration modules. It should also improve stability."

"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."

"The solution’s pricing could be improved."

"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."

"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 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."

More Tenable.io Container Security cons

"Some features do not work as expected."

"They could give a few more insights into security groups and recommendations on how to be more effective. That's getting more into the AWS environment, specifically. I'm not sure if that's Threat Stack's plan or not, but I would like them to help us be efficient about how we're setting up security groups. They could recommend separation of VPCs and the like - really dig into our architecture. I haven't seen a whole lot of that and I think that's something that, right off the bat, could have made us smarter."

"The reports aren't very good. We've automated the report generation via the API and replaced almost all the reports that they generate for us using API calls instead."

"They could give a few more insights into security groups and recommendations on how to be more effective."

"It shoots back a lot of alerts."

"The solution’s ability to consume alerts and data in third-party tools (via APIs and export into S3 buckets) is moderate. They have some work to do in that area... The API does not mimic the features of the UI as far as reporting and pulling data out go. There's a big discrepancy there."

"The one thing that we know they're working on, but we don't have through the tool, is the application layer. As we move to a serverless environment, with AWS Fargate or direct Lambda, that's where Threat Stack does not have the capacity to provide feed. Those are areas that it's blind to now..."

"The one thing that we know they're working on, but we don't have through the tool, is the application layer."

More Threat Stack Cloud Security Platform [EOL] cons

Pricing and Cost Advice

"I am not sure about the pricing. From what I understand, it is a bit on the higher side, but I do not have the exact numbers."

"It isn't cheap, but it's reasonable. It helps us to manage things with very few resources."

"Qualys TotalCloud offers cost-effective licensing flexibility."

"The cost is high, but it meets our organizational needs."

"Qualys TotalCloud is cost-efficient and was selected for its value compared to other products."

"TotalCloud's price is about right where I would expect it to be."

"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 offers competitive pricing given its comprehensive suite of features, including integration, assessment, remediation, and detection capabilities, all within a single platform."

More Qualys TotalCloud pricing and cost advice

"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."

"I rate the product’s pricing a six out of ten."

"The product does not operate on a pay-per-license model."

"I rate the tool's pricing a three out of ten."

"It came in cheaper than Trend Micro when we purchased it a few years ago."

"It is very expensive compared to some other products. The pricing is definitely high."

"We find the licensing and pricing very easy to understand and a good value for the services provided."

"I'm happy with the amount that we spend for the product that we get and the overall service that we get. It's not cheap, but I'm still happy with the spend."

"What we're paying now is somewhere around $15 to $20 per agent per month, if I recall correctly. The other cost we have is SecOps."

"It is a cost-effective choice versus other solutions on the market."

"Pricing seems to be in line with the market structure. It's fine."

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Top Industries

By visitors reading reviews

Comms Service Provider

18%

Outsourcing Company

11%

Manufacturing Company

11%

Financial Services Firm

10%

Financial Services Firm

14%

Outsourcing Company

Manufacturing Company

Media Company

Outsourcing Company

16%

Construction Company

10%

Manufacturing Company

Comms Service Provider

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	16
Midsize Enterprise	11
Large Enterprise	38

By reviewers
Company Size	Count
Small Business	2
Midsize Enterprise	3
Large Enterprise	4

By reviewers
Company Size	Count
Small Business	2
Midsize Enterprise	5
Large Enterprise	2

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...

See all answers

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...

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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...

See all answers

What needs improvement with Tenable.io Container Security?

Several things need improvement about Tenable.io Container Security. First, they should support GitLab Ultimate. Seco...

See all answers

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.

See all answers

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...

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Product Reports

Buyer's Guide

Qualys TotalCloud

October 2026

Download Qualys TotalCloud product report

Buyer's Guide

Tenable.io Container Security

October 2026

Download Tenable.io Container Security product report

Buyer's Guide

Threat Stack Cloud Security Platform [EOL]

October 2026

Threat Stack Cloud Security Platform [EOL] report

Download Threat Stack Cloud Security Platform [EOL] product report

Also Known As

Qualys TotalCloud with FlexScan

Tenable FlawCheck, FlawCheck

Threat Stack, CSP,

Overview

Qualys TotalCloud enhances security posture across cloud environments with continuous monitoring, vulnerability management, and risk visualization, ensuring efficient threat assessment and automated remediation for improved cyber risk reduction.

Qualys TotalCloud offers a robust suite of security tools essential for organizations managing multi-cloud infrastructures. By integrating cloud accounts and automating workflows, it supports AWS, Azure, and GCP, offering comprehensive vulnerability management and zero-day detection. The platform's user-friendly design, combined with its extensive risk management and unified threat assessment capabilities, enables organizations to prioritize and remediate vulnerabilities effectively. TruRisk Insights provides clear insights on cyber risks, while the automation options streamline patch management and scanning processes. API integration across IaaS and SaaS environments further enhances resource allocation efficiency and saves time, addressing misconfigurations across cloud environments.

What are the most important features of Qualys TotalCloud?

Accurate Vulnerability Reports: Delivers precise and actionable insights for risk mitigation.
Zero-Day Detection: Identifies and addresses zero-day vulnerabilities proactively.
Unified Threat Assessment: Offers comprehensive evaluation of threats across the environment.
Extensive Risk Management: Manages risks effectively with advanced insights and prioritization.
Continuous Monitoring: Provides non-stop surveillance for vulnerabilities and threats.
Cloud-Native Automation: Streamlines processes and reduces manual efforts using automation.
FlexScan for Internet-Facing VMs: Scans external VMs efficiently to detect vulnerabilities.
Dashboard Risk Visualization: Clear visualization helps prioritize vulnerabilities.

What benefits and ROI should users look for?

Improved Security Posture: Enhances threat detection and response across clouds.
Time Savings: Automation reduces time spent on manual vulnerability management.
Resource Efficiency: Better allocation of resources through streamlined workflows.
Enhanced Risk Prioritization: Focus on critical vulnerabilities for effective mitigation.
Integrated Cloud Accounts: Facilitates seamless cloud management and security.

Qualys TotalCloud is deployed in sectors needing rigorous vulnerability management, such as finance and healthcare. Companies utilize it to secure multi-cloud environments like AWS, Azure, and GCP, focus on compliance, and integrate security into CI/CD pipelines to detect and remedy threats pre-deployment.

Qualys

Tenable.io Container Security provides advanced real-time visibility, container image scanning, and actionable vulnerability data, supporting Docker environments efficiently.

Tenable.io Container Security is designed for containerized applications, offering detailed reports and robust policy configuration to detect and address vulnerabilities and misconfigurations in real-time. Users leverage its features to enhance security in CI/CD pipelines, ensuring safe deployment in both cloud and on-prem environments. While it delivers significant benefits, areas such as GitLab Ultimate support and Docker-based installations require enhancement, alongside improvements in support, integration, and false-positive reduction.

What are the key features offered by Tenable.io Container Security?

Detailed Reports: Comprehensive insights into container image scanning and detected vulnerabilities.
Real-time Visibility: Continuous monitoring of container environments for enhanced security.
Policy Configuration: Flexible security policies tailored to organizational requirements.
Misconfiguration Detection: Identifies configuration errors during container deployment.
Vulnerability Data: Provides actionable insights to prioritize security fixes.

What benefits do users experience with Tenable.io Container Security?

Efficient Scanning: Identifies vulnerabilities quickly in container environments.
Effective Troubleshooting: Addresses security issues with detailed insights.
Prioritization of Vulnerabilities: Helps focus on critical security threats.
Software Bill of Materials: Gain understanding of components and licenses used.

Tenable.io Container Security is implemented across industries to secure container workloads, integrating seamlessly with CI/CD platforms and DevOps pipelines. Organizations benefit from its capabilities to manage cloud-based and on-prem environments, ensuring security for mature security practices and maintaining compliance within their clusters.

Tenable

Threat Stack Cloud Security Platform [EOL] offers robust security features including endpoint monitoring, rule customization, and integration capabilities, with easy connectivity to cloud services like Docker and AWS.

Threat Stack Cloud Security Platform [EOL] provides tools for enhancing security visibility across cloud infrastructure. It supports AWS and Docker integration, facilitating efficient threat detection and management. Users appreciate its capability to configure customizable alerts and monitor endpoints, sessions, API interactions, and cloud services. However, there are areas needing improvement, such as better serverless environment support and reduced alert frequency. The platform services smaller organizations by compensating for limited security resources with its comprehensive monitoring and auditing tools.

What are the key features?

Easy Cloud Service Integration: Streamlined connectivity with Docker and AWS for efficient monitoring.
Customizable Rule Sets: Tailor security rules to meet specific organizational needs.
Email Alerts: Receive timely notifications about security events and threats.
Interactive Session Monitoring: Track live sessions for suspicious activities.
API Integration: Connect effortlessly with third-party tools for an enhanced security posture.
SecOps Support: Assistance for organizations lacking dedicated security teams.

What are the benefits and ROI features?

Streamlined Threat Detection: Effective process monitoring to identify potential threats.
Cost Efficiency: Serves companies with limited resources by providing essential security functions.
Comprehensive Audits: Helps in regular examinations of cloud infrastructure, enhancing compliance.
Visibility into Cloud Operations: Offers a detailed dashboard for threat visibility and monthly vulnerability assessments.

In specific industries, Threat Stack Cloud Security Platform [EOL] is utilized for its strength in monitoring cloud infrastructure and preventing unauthorized access. Organizations in fields where cloud operations are critical use it for regular audits and monitoring. Its capabilities in threat management are leveraged to maintain secure operations and compliance, especially where there is no dedicated security team.

Sample Customers

Information Not Available

ServiceMaster

StatusPage.io, Walkbase, Spanning, DNAnexus, Jobcase, Nextcapital, Smartling, Veracode, 6sense

Find out what your peers are saying about Wiz, SentinelOne, Palo Alto Networks and others in Container Security. Updated: October 2026.

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