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Sysdig Secure 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)
Sysdig Secure
Ranking in Container Security
20th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
12
Ranking in other categories
Cloud Security Posture Management (CSPM) (27th), Cloud-Native Application Protection Platforms (CNAPP) (18th), Cloud Detection and Response (CDR) (9th), AI Observability (28th)
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 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
ProductMindshare (%)
Qualys TotalCloud1.7%
Sysdig Secure2.5%
Tenable.io Container Security1.0%
Other94.8%
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.
MM
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.
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 positively impacted our bank's performance, and we have definitely seen benefits after implementing this solution."
"The agent and agentless scanning in TotalCloud, particularly the FlexScan method, is incredibly valuable. With traditional scanning approaches, we had to give IP ranges and whitelist IPs. All that is now simplified. FlexScan requires minimal intervention, and after configuration, it automatically collects data and performs necessary scans."
"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."
"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."
"Qualys TotalCloud provides unified vulnerability and threat assessment for IaaS and SaaS and a single prioritized view of risk, which helps reduce my workload by not having to combine multiple sources."
"One of the features I appreciate is the ability to generate daily reports without relying on anyone else."
"Qualys TotalCloud is overall the best tool available in the market for scanning purposes."
"The log monitor is the most valuable feature."
"Sysdig Secure has many strong foundational features like compliance and benchmark, security, network access management, and vulnerability management."
"The most valuable feature is the level of support that we get. Our solutions or customer success representative is very valuable. I see them as an extension of our security team."
"I have not seen any stability issues so far."
"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."
"We appreciate this feature, especially when combined with CD monitoring. The implementation of requested features has been remarkable, such as scanning for compliance in CRM processes for the US government. We heavily rely on this feature to assess compliance with federal requirements."
"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."
"The strong security provided by the product in the container environment is its most valuable feature."
"It helps us secure our applications from the build phase and identify the weaknesses from scratch."
"The solution shows you the exploitable vulnerabilities and helps you prioritize."
"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 is a scalable solution. Scalability-wise, it is a good solution."
"Most valuable are the reports that are quite good, particularly the detailed ones for container image scanning."
"The tool's most valuable feature is scanning, reporting, and troubleshooting."
 

Cons

"Overall, we are satisfied with it. However, the response part of the Cloud Detection and Response (CDR) module can be improved. It is not yet in place according to requirements; it is not completely available even though the module has been released."
"To improve the user experience, reporting could be simplified for better comprehension by end users and project managers, facilitating issue resolution."
"The price is very expensive, actually."
"An area for improvement would be to focus on risks related to AI, such as large language models and potential data leakage."
"The main area needing improvement is integration. Although the team is strengthening TotalCloud, integration can be enhanced with SIEM, SOAR, ITSM, and other sources."
"In my opinion, what can be improved in Qualys TotalCloud includes pricing and container scanning."
"The support is not up to the mark and seems to be overburdened."
"We encountered challenges identifying the correct resource category for certain items, such as those in containers or storage."
"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."
"The solution needs to improve overall from a CSPM standpoint since they can't compete with Wiz or Orca."
"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."
"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."
"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."
"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."
"I feel that in certain areas this product has false positives which the company should work on."
"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 solution’s pricing could be improved."
"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. 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."
"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."
 

Pricing and Cost Advice

"Qualys TotalCloud offers competitive pricing given its comprehensive suite of features, including integration, assessment, remediation, and detection capabilities, all within a single platform."
"Qualys TotalCloud offers cost-effective licensing flexibility."
"While Qualys TotalCloud's pricing is currently acceptable, it is becoming increasingly expensive and may soon be considered overpriced."
"It isn't cheap, but it's reasonable. It helps us to manage things with very few resources."
"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 expensive, but it offers a premier solution with no headaches."
"The cost is high, but it meets our organizational needs."
"The pricing is comparable. It is built into our other product, so I cannot piecemeal it. It is a part of our subscription."
"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."
"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."
"The solution's pricing is neither cheap nor very expensive."
"I rate the tool's pricing a three 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."
"I rate the product’s pricing a six out of ten."
"The product does not operate on a pay-per-license model."
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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
9%
Comms Service Provider
8%
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 Business6
Midsize Enterprise2
Large Enterprise5
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 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...
What is your primary use case for Sysdig Secure?
Our primary use case for Sysdig Secure is runtime threat detection and vulnerability management.
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...
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
No data available
Tenable FlawCheck, FlawCheck
 

Overview

 

Sample Customers

Information Not Available
SAP Concur, Goldman Sachs, Worldpay, Experian, BigCommerce, Arkose Labs, Calendly, Noteable, Bloomreach. More here: https://sysdig.com/customers/
ServiceMaster
Find out what your peers are saying about Sysdig Secure vs. Tenable.io Container Security and other solutions. Updated: September 2026.
913,806 professionals have used our research since 2012.