Sysdig Secure vs Tenable.io Container Security comparison

Why PeerSpot?

Sysdig and Tenable are both solutions in the Container Security category. Sysdig is ranked #20 with an average rating of 8.0, while Tenable is ranked #26 with an average rating of 8.0. Sysdig holds a 2.5% mindshare in Container Security, compared to Tenable’s 1.0% mindshare. Additionally, 100% of Sysdig users are willing to recommend the solution, compared to 87% of Tenable users who would recommend it.

Comparison Buyer's Guide

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Executive SummaryUpdated on Sep 16, 2024

Tenable.io Container Security and Sysdig Secure are prominent players in the container security category. Tenable.io is noted for its ease of use and superior customer support, while Sysdig Secure is recognized for its extensive feature set.

Features: Tenable.io Container Security offers user-friendly threat detection, compliance checks, and intuitive interface. Sysdig Secure provides advanced runtime security, deep visibility, and robust feature versatility.

Room for Improvement: Tenable.io users seek enhanced integration options, better scalability, and improved real-time monitoring. Sysdig Secure users desire better policy management, streamlined updates, and enhanced alerting capabilities.

Ease of Deployment and Customer Service: Tenable.io is praised for straightforward deployment and excellent customer support. Sysdig Secure's deployment is more complex, supported by extensive documentation and community resources.

Pricing and ROI: Tenable.io is cost-effective with good ROI for small and mid-sized organizations. Sysdig Secure, though more expensive, offers a justified investment for larger enterprises needing comprehensive security solutions.

To learn more, read our detailed Sysdig Secure vs. Tenable.io Container Security Report (Updated: September 2026).

Buyer's Guide

Sysdig Secure vs. Tenable.io Container Security

September 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

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 Sysdig Secure is 2.5%, down from 2.6% 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
Product	Mindshare (%)
Qualys TotalCloud	1.7%
Sysdig Secure	2.5%
Tenable.io Container Security	1.0%
Other	94.8%

Container Security

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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Mumu Muhaemin

DevSecOps Engineer at a outsourcing company with 1,001-5,000 employees

Runtime threat detection has improved and security teams prioritize real Kubernetes risks

The best feature Sysdig Secure offers is threat detection. The threat detection feature on Sysdig Secure stands out compared to other solutions I have seen or used because Sysdig sees the actual behavior inside the container or kernel and correlates it with Kubernetes infrastructure, which makes detection both earlier and more precise in a cloud-native environment. Sysdig Secure has positively impacted our organization by improving visibility into our Kubernetes environment and focusing on real risk, which has reduced alert noise, improved threat detection at runtime, and made vulnerability management more efficient by prioritizing issues that actually affect running workloads.

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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.

Read full review

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 significantly reduced our workload in terms of managing risks, helping us to be more efficient and save substantial resources."

"The most valuable feature is the consolidated information that it provides from various platforms."

"Once it is set up, Qualys has proved to be one of our greatest assets."

"The biggest strengths of Qualys TotalCloud are that it is pretty good at cloud visibility, has easy integration, and also has multi-cloud compatibility."

"Qualys TotalCloud's most valuable features are its cloud security posture management, Kubernetes, and container security capabilities."

"I depend heavily on the reports that I have from this tool."

"Qualys TotalCloud has significantly improved our organization by automating our reporting processes, reducing the time spent on report creation from two hours to less than fifteen to twenty minutes."

"The platform's unified view of the organization proves particularly valuable for leadership team meetings."

More Qualys TotalCloud pros

"In terms of measurable outcomes, I have seen a reduction in vulnerabilities, as Sysdig Secure can tell us how many vulnerabilities are present on a day-to-day report basis, which has improved our efficiency by more than 50% and helps us stay compliant with necessary regulations."

"The log monitor is the most valuable feature."

"The proactiveness of the support has been fantastic. Every time we mention something in a meeting that we're trying to do, he proactively takes that as an investigation topic and looks into it. He'll provide the solution even though we might not have asked him to investigate it."

"I see Sysdig as the most comprehensive solution in comparison to its competitors."

"Sysdig Secure has positively impacted our organization by improving visibility into our Kubernetes environment and focusing on real risk, which has reduced alert noise, improved threat detection at runtime, and made vulnerability management more efficient by prioritizing issues that actually affect running workloads."

"I have not seen any stability issues so far."

"From a container-based standpoint, it offers excellent scalability to its users...I would tell those planning to use the solution that, from a container standpoint, it's excellent."

"The tool has the capability to conduct scans initially. It can perform scans on your virtual machines, physical machines, containers, and container images. A standout feature is its ability to scan offline container images stored in your container registry. Additionally, it can scan runtime images in your cluster or on your host machine. This allows for the detection of vulnerabilities in running containers, including loaded libraries. Notably, the tool can identify which library vulnerabilities are already present in your system. An added advantage is its capacity to take action beyond threat detection. It has the ability to block access and respond to encountered threats."

More Sysdig Secure pros

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

"By using Nessus, we are able to finish testing with assured results, in half the time."

"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."

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

"It is a scalable solution. Scalability-wise, it is a good solution."

"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."

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

More Tenable.io Container Security pros

Cons

"The price is very expensive, actually."

"I would appreciate additional integration options to connect Qualys TotalCloud with our other vulnerability management tools."

"To be honest, I would move out from this tool because it does not give a full view of vulnerability."

"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."

"I chose a rating of nine out of ten because there is a complex interface that sometimes overwhelms new engineers."

"TotalCloud could improve its scanning of niche devices like Wi-Fi dongles and USB modems because they are often untested. It covers everything else, like laptops, mobile devices, and Bluetooth IoT devices. They can improve on the small IoT devices because hackers and testers use these."

"Regarding technical support from Qualys, they respond, but the response time can be too long. Sometimes we need to wait weeks for solutions to simple questions."

"I sometimes have difficulty detecting or uninstalling certain versions of applications, which I have to do manually."

More Qualys TotalCloud cons

"I give it an eight because of the bugs, specifically the fix version bug where sometimes there is no fix version shown, and I wish Sysdig Secure would create a customizable UI that orders features by importance to enhance user experience."

"Perhaps, it could support more custom implementations, as our company utilizes custom implementations rather than standard ones. Configuring it requires a deep understanding and adjustment to our specific needs, which took some time. Other than that, I'm unsure about potential improvements. We were considering the possibility of compartmentalizing their tools. Currently, in Sysdig Secure, they bundle multiple features, and we are unable to use them individually. For instance, if we only need compliance scanning, we have to deploy the entire secure package. This is because of the way their agent functions, but I can't delve into more details."

"They should make it specific with a couple of features only."

"The dashboard could be more simple and show the more important issues that are detected first. We'd like to be able to set it up so more important issues show up more prominently in the dashboard."

"Sysdig Secure works well for us, but there are a few areas for improvement, such as the alerting and notification system being more flexible for complex workflows, and some dashboard and reporting features could be more customizable to match specific team needs."

"Sysdig Secure needs to scale more for complete cloud-native coverage."

"Reporting can definitely be better. Live dashboards should be configurable for a longer period of time rather than 30 days. Being able to go back in time to compare six months ago to today would be valuable."

"There was a security concern related to a specific feature. While the feature itself was promising, it posed a challenge. The situation revolved around code scanning. If your source code is hosted within your own premises, say on Bitbucket, you naturally wouldn't want your code to be accessible to external parties beyond your company. Keeping your code base private is a standard practice. However, in the case of code scanning using Sysdig Secure, they copy your code to their SaaS platform. This posed an issue for us. When we inquired about this, their response acknowledged the concern. In an upcoming release, they plan to enable code scanning within your on-premises environment through the assistance of an agent. This change is already in progress. While this tool stands out compared to existing solutions in the market, it's important to note that there are still some limitations to consider. Another drawback we encountered relates to our expertise with Kubernetes. The tool can monitor Kubernetes audit logs, triggering alerts and notifications. However, it falls short in terms of taking direct action based on these alerts. There are different methods of event capture, including through system labels and system calls, as well as via Kubernetes audit events. Notably, at the system level, Sysdig Secure can both detect and respond to events, allowing actions like blocking and warning. This proactive approach is effective at the system call level. However, when it comes to monitoring Kubernetes audit events, Sysdig Secure can only notify without being able to execute any further actions. It can't block access or containers. The vendor likened their role to that of a monitoring camera, observing events and sending notifications without the capacity to intervene. This limitation applies to Kubernetes audit events. Given that everything operates within our system, there is a workaround available: configuring system-level policies to block containers as necessary."

More Sysdig Secure cons

"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 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."

"The initial setup is highly complex."

"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."

"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."

More Tenable.io Container Security cons

Pricing and Cost Advice

"Qualys TotalCloud offers good pricing that is affordable and competitive with the market. Our partnership also provides us with additional benefits."

"Qualys TotalCloud offers cost-effective licensing flexibility."

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

"Its price seems higher compared to other tools, but it is worth it. If they could adjust the pricing and make it comparable with other tools, that would be great."

"While Qualys TotalCloud's pricing is currently acceptable, it is becoming increasingly expensive and may soon be considered overpriced."

"Qualys TotalCloud is expensive."

More Qualys TotalCloud pricing and cost advice

"The solution's pricing depends on the agents...In short, the price depends on the environment of its user."

"Sysdig is competitive. The quality matches the pricing. Obviously, everyone wants things to be cheaper, but if you're realistic, you acknowledge that quality service comes with a price. Sysdig is the gold standard for Kubernetes, and I wouldn't choose anything else. We live in Kubernetes. Everything is containerized, so that means a lot to us, and we're willing to make an investment."

"It is quite costly compared to other tools."

"I am always going to say that it could be a little bit cheaper. I do feel that it is a little bit on the expensive side."

"In comparison to other cloud solutions, it's reasonably priced. However, when compared to in-house built open-source projects, it might be considered somewhat costly. The cost depends on whether someone sees the support provided by Sysdig as an advantage or if it's deemed unnecessary. Personally, I find the support to be excellent and consider it a good value."

"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 solution's pricing is neither cheap nor very expensive."

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

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

"I rate the product’s pricing a six 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%

Financial Services Firm

16%

Computer Software Company

11%

Manufacturing Company

Comms Service Provider

Financial Services Firm

13%

Manufacturing Company

Outsourcing Company

Construction Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	14
Midsize Enterprise	5
Large Enterprise	34

By reviewers
Company Size	Count
Small Business	6
Midsize Enterprise	2
Large Enterprise	5

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

Questions from the Community

What is your experience regarding pricing and costs for Qualys TotalCloud?

The price is very expensive, actually.

See all answers

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...

See all answers

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...

See all answers

What needs improvement with Sysdig Secure?

Sysdig Secure works well for us, but there are a few areas for improvement, such as the alerting and notification sys...

See all answers

What is your primary use case for Sysdig Secure?

Our primary use case for Sysdig Secure is runtime threat detection and vulnerability management.

See all answers

What advice do you have for others considering Sysdig Secure?

My advice for others looking into using Sysdig Secure is to clearly define your primary use case before getting start...

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...

See all answers

Comparisons

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Prisma Cloud by Palo Alto Networks vs Qualys TotalCloud

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Upwind vs Sysdig Secure

Compared 4% of the time

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Compared 14% of the time

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Compared 9% of the time

Minimus vs Tenable.io Container Security

Compared 7% of the time

Prisma Cloud by Palo Alto Networks vs Tenable.io Container Security

Compared 7% of the time

SUSE NeuVector vs Tenable.io Container Security

Compared 4% of the time

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Product Reports

Buyer's Guide

Qualys TotalCloud

September 2026

Download Qualys TotalCloud product report

Buyer's Guide

Sysdig Secure

August 2026

Download Sysdig Secure product report

Buyer's Guide

Tenable.io Container Security

August 2026

Download Tenable.io Container Security product report

Also Known As

Qualys TotalCloud with FlexScan

No data available

Tenable FlawCheck, FlawCheck

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

Sysdig Secure offers comprehensive threat detection and vulnerability scanning, integrating seamlessly with platforms like Kubernetes and cloud providers. It enhances compliance monitoring while prioritizing risks to improve security posture.

Sysdig Secure is designed for runtime security across containerized environments and cloud platforms. It integrates with tools like Falco for effective threat detection and extensive compliance monitoring. Users benefit from its friendly interface and visibility improvements, aiding in reducing alerts and managing vulnerabilities. Integrations with Kubernetes and Terraform enhance its flexibility, providing wide-ranging applicability and cloud support. There's a need to improve dashboard simplicity and enrich reporting capabilities. The tool should better handle Kubernetes audit events and increase API accessibility across more platforms. Users also seek advancements in its scalability, speed, and customer support in specific regions.

What are Sysdig Secure's key features?

Runtime Security: Monitors and protects containerized and cloud environments in real time.
Falco Integration: Enhances threat detection with Falco's powerful rules engine.
Threat Detection: Identifies and alerts on suspicious activities and security threats.
Vulnerability Scanning: Assesses applications and infrastructure for potential vulnerabilities.

What benefits should users expect from Sysdig Secure?

Enhanced Security Posture: Comprehensive threat visibility and rapid response capabilities.
Improved Efficiency: Reduced alert fatigue by prioritizing critical vulnerabilities.
Compliance Support: Streamlined processes for meeting security standards and regulations.
Cloud Integration: Seamless compatibility with cloud providers like AWS and GCP.

Industries benefit by employing Sysdig Secure for managing runtime workloads and ensuring compliance within cloud environments. Its effectiveness in monitoring clusters on AWS, GCP, and securing CI/CD pipelines makes it essential for companies optimizing their cloud and container security strategies.

Sysdig

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

Sample Customers

Information Not Available

SAP Concur, Goldman Sachs, Worldpay, Experian, BigCommerce, Arkose Labs, Calendly, Noteable, Bloomreach. More here: https://sysdig.com/customers/

ServiceMaster

Buyer's Guide

Sysdig Secure vs. Tenable.io Container Security

September 2026

Free Report: Sysdig Secure vs. Tenable.io Container Security

Find out what your peers are saying about Sysdig Secure vs. Tenable.io Container Security and other solutions. Updated: September 2026.

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