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Microsoft Defender for Cloud vs Tenable.io Container Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 2025

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

SentinelOne Singularity Clo...
Sponsored
Ranking in Container Security
3rd
Average Rating
8.8
Reviews Sentiment
7.9
Number of Reviews
112
Ranking in other categories
Vulnerability Management (6th), Cloud and Data Center Security (5th), Cloud Workload Protection Platforms (CWPP) (4th), Cloud Security Posture Management (CSPM) (3rd), Cloud-Native Application Protection Platforms (CNAPP) (3rd), Compliance Management (2nd)
Microsoft Defender for Cloud
Ranking in Container Security
4th
Average Rating
8.0
Reviews Sentiment
7.0
Number of Reviews
76
Ranking in other categories
Vulnerability Management (7th), Container Management (9th), Cloud Workload Protection Platforms (CWPP) (2nd), Cloud Security Posture Management (CSPM) (4th), Cloud-Native Application Protection Platforms (CNAPP) (4th), Data Security Posture Management (DSPM) (3rd), Microsoft Security Suite (4th), Compliance Management (3rd)
Tenable.io Container Security
Ranking in Container Security
24th
Average Rating
8.0
Reviews Sentiment
7.2
Number of Reviews
8
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2025, in the Container Security category, the mindshare of SentinelOne Singularity Cloud Security is 2.4%, up from 1.0% compared to the previous year. The mindshare of Microsoft Defender for Cloud is 7.2%, down from 8.2% compared to the previous year. The mindshare of Tenable.io Container Security is 1.1%, down from 1.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Security
 

Featured Reviews

Andrew W - PeerSpot reviewer
Tells us about vulnerabilities as well as their impact and helps to focus on real issues
Looking at all the different pieces, it has got everything we need. Some of the pieces we do not even use. For example, we do not have Kubernetes Security. We are not running any K8 clusters, so it is good for us. Overall, we find the solution to be fantastic. There can be additional education components. This may not be truly fair to them because of what the product is going for, but it would be great to see additional education for compliance. It is not a criticism of the tool per se, but anything to help non-development resources understand some of the complexities of the cloud is always appreciated. Any additional educational resources are always helpful for security teams, especially those without a development background.
Vibhor Goel - PeerSpot reviewer
A single tool for complete visibility and addressing security gaps
Currently, issues are structured in Microsoft Defender for Cloud at severity levels of high, critical, or warning, but these severity levels are not always right. For example, Microsoft might consider a port being open as critical, but that might not be the case for our company. Similarly, it might suggest closing some management ports, but you might need them to be able to log in, so the severity levels for certain things can be improved. Even though Microsoft Defender for Cloud provides a way to temporarily disable certain alerts or notifications without affecting our security score, it would be better to have more granularized control over these recommendations. Currently, we cannot even disable certain alerts or notifications. There should be an automated mechanism to design Azure policies based on the recommendations, possibly with AI integration. Instead of an engineer having to write a policy to fix security gaps, which is very time-consuming, there should be an inbuilt capability to auto-remediate everything and have proper control in place. Additionally, enabling Defender for Cloud at the resource group level, rather than only at the subscription level, would be beneficial.
Yusuf-Hashmi - PeerSpot reviewer
It helps you catch misconfigurations before they go into a production environment where they're harder to deal with
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. Asset visibility is also critical. While Tenable provides visibility into containers, it could be done much better. Compliance is one of the most crucial aspects of container security. It should be more customizable. For example, I would like a rating system where Tenable reports a risk score for each container based on user-defined metrics, such as severity, activity, or compliance.

Quotes from Members

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

Pros

"It used to guide me about an alert. There is something called an alert guide. I used to click on the alert guide, and I could read everything. I could read about the alert and how to resolve it. I used to love that feature."
"I did a lot of research before signing up and doing the demo. They have a good reputation as far as catching threats early on."
"It has a user-friendly dashboard that I can access without any difficulty."
"The key strength of Singularity Cloud Security lies in its ability to pinpoint vulnerabilities in our cloud accounts and identify suspicious activity that warrants further investigation."
"SentinelOne Singularity Cloud Security is excellent, and I highly recommend it."
"I would rate their support a ten out of ten."
"They're responsive to feature requests. If I suggest a feature for Prisma, I will need to wait until the next release on their roadmap. Cloud Native Security will add it right away."
"The visibility is the best part of the solution."
"The most valuable feature is that it's intuitive. It's very intuitive."
"With respect to improving our security posture, it helps us to understand where we are in terms of compliance. We can easily know when we are below the standard because of the scores it calculates."
"The most valuable feature is the recommendations provided on how to improve security. It has made the cloud environment more secure, thanks to all the recommendations we can get."
"The dashboard is very good. It gives our clients a lot of information and allows them to have a complete overview of the system. Everything is visible in one glance."
"Everything is built into Azure, and if we go for cross-cloud development with Azure Arc, we can use most of the features. While it's possible to deploy and convert third-party applications, it is difficult to maintain, whereas Azure deployments to the cloud are always easier. Also, Microsoft is a big company, so they always provide enough support, and we trust the Microsoft brand."
"The most valuable features of the solution are the insights, meaning the remediation suggestions, as well as the incident alerts."
"The main feature is the security posture assessment through the security score. I find that to be very helpful because it gives us guidance on what needs to be secured and recommendations on how to secure the workloads that have been onboarded."
"The most valuable feature is the regulatory compliance aspect, where we utilize predefined initiatives like NIST. Alert management is another useful feature. Alerts are directly integrated with our email or DevOps board for easy viewing, allowing us to identify problem areas efficiently."
"Nessus scanner is very effective for internal penetration testing."
"The solution shows you the exploitable vulnerabilities and helps you prioritize."
"The tool's most valuable feature is scanning, reporting, and troubleshooting."
"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."
"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."
"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."
 

Cons

"A vulnerability alert would appear, and we'd fix it, but then the same alert would return the next day."
"It took us a while to configure the software to work well in this type of environment, as the support documents were not always clear."
"SentinelOne Singularity Cloud Security can improve by eliminating 100 percent of the false positives."
"SentinelOne Singularity Cloud Security has limited legacy system support and may not fully support older operating systems or legacy environments."
"A few YouTube videos could be helpful. There isn't a lot of information out there to look at."
"A beneficial improvement for SentinelOne Singularity Cloud Security would be integration with Jira, allowing for a more streamlined ticketing system."
"It would be really helpful if the solution improves its agent deployment process."
"SentinelOne Singularity Cloud Security is an excellent CSPM tool, but the CWPP features need to improve, and there is a scope for more application security posture management features. There aren't many ASPM solutions on the market, and existing ones are costly. I would like to see SentinelOne Singularity Cloud Security develop into a single pane of glass for ASPM, CSPM, and CWPP. Another feature I'd like to see is runtime protection."
"Microsoft Defender for Cloud is pricey, especially for Kubernetes clusters. It could be cheaper."
"The initial setup is not actually so complex but it feels complex because there are many add-ons. There are many options and my team needs to be aware of all of these changes happening on the backend which is a distraction."
"Another thing that could be improved was that they could recommend processes on how to react to alerts, or recommend best practices based on how other organizations do things if they receive an alert about XYZ."
"Although Microsoft Defender for Cloud is based on security, I wish it went beyond providing assessments, reports, and generic steps. More detailed procedures would be helpful, especially for lower-level support staff."
"From my own perspective, they just need a product that is tailored to micro-segmentation so I can configure rules for multiple systems at once and manage it."
"The vulnerabilities are duplicated many times."
"It's hard to reach someone who understands my problems. I haven't had many issues, so I haven't called them."
"One of the main challenges that we have been facing with Azure Security Center is the cost. The costs are really a complex calculation, e.g., to calculate the monthly costs. Azure is calculating on an hourly basis for use of the resource. Because of this, we found it really complex to promote what will be our costs for the next couple of months. I think if Azure could reduce the complex calculation and come up with straightforward cost mapping that would be very useful from a product point of view."
"The solution’s pricing could be improved."
"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."
"The support is tricky to reach, so we would like better-oriented technical support enabled."
"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 initial setup is highly complex."
"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 stability and setup phase of the product are areas with shortcomings where improvements are needed."
"Tenable.io Container Security should improve integration modules. It should also improve stability."
 

Pricing and Cost Advice

"SentinelOne is quite costly compared to other security platforms."
"While SentinelOne Singularity Cloud Security offers robust protection, its high cost may be prohibitive for small and medium-sized businesses."
"PingSafe is less expensive than other options."
"I would rate the cost a seven out of ten with ten being the most costly."
"The features included in PingSafe justify its price point."
"SentinelOne Singularity Cloud Security is costly."
"Its pricing is constant. It has been constant over the previous year, so I am happy with it. However, price distribution can be better explained. That is the only area I am worried about. Otherwise, the pricing is very reasonable."
"PingSafe is fairly priced."
"This solution is more cost-effective than some competing products. My understanding is that it is based on the number of integrations that you have, so if you have fewer subscriptions then you pay less for the service."
"While we pay for any additional features, the pricing seems competitive, though I am not involved in the specific cost details."
"We only use the free tier, so we haven't faced any pricing, setup costs, or licensing challenges."
"They have a free version, but the license for this one isn't too high. It's free to start with, and you're charged for using it beyond 30 days. Some other pieces of Defender are charged based on usage, so you will be charged more for a high volume of transactions. I believe Defender for Cloud is a daily charge based on Azure's App Service Pricing."
"Although I am outside of the discussion on budget and costing, I can say that the importance of security provided by this solution is of such importance that whatever the cost is, it is not a factor."
"The price of the solution is good for the features we receive and there is an additional cost for Microsoft premier support. However, some of my potential customers have found it to be expensive and have gone on to choose another solution."
"I am not involved in this area. However, I believe its price is okay because even small customers are using Azure Security Center. I don't think it is very expensive."
"Pricing is a consideration, but we strive to keep costs low by enabling only necessary services."
"I rate the product’s pricing a six out of ten."
"The product does not operate on a pay-per-license model."
"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."
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Financial Services Firm
15%
Manufacturing Company
9%
Government
6%
Computer Software Company
14%
Financial Services Firm
13%
Manufacturing Company
9%
Government
7%
Financial Services Firm
18%
Government
11%
Manufacturing Company
10%
Computer Software Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about PingSafe?
The dashboard gives me an overview of all the things happening in the product, making it one of the tool's best featu...
What is your experience regarding pricing and costs for PingSafe?
It is cost-effective compared to other solutions in the market.
What needs improvement with PingSafe?
SentinelOne Singularity Cloud Security is an excellent CSPM tool, but its CWPP features need improvement, and there i...
How is Prisma Cloud vs Azure Security Center for security?
Azure Security Center is very easy to use, integrates well, and gives very good visibility on what is happening acros...
What do you like most about Microsoft Defender for Cloud?
The entire Defender Suite is tightly coupled, integrated, and collaborative.
What is your experience regarding pricing and costs for Microsoft Defender for Cloud?
The cost is generally reasonable. Microsoft Defender for Cloud Plan 2 costs $15 per server, per month. For a normal c...
What do you like most about Tenable.io Container Security?
The tool's most valuable feature is scanning, reporting, and troubleshooting.
 

Also Known As

PingSafe
Microsoft Azure Security Center, Azure Security Center, Microsoft ASC, Azure Defender
Tenable FlawCheck, FlawCheck
 

Interactive Demo

Demo not available
Demo not available
 

Overview

 

Sample Customers

Information Not Available
Microsoft Defender for Cloud is trusted by companies such as ASOS, Vatenfall, SWC Technology Partners, and more.
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Find out what your peers are saying about Microsoft Defender for Cloud vs. Tenable.io Container Security and other solutions. Updated: April 2025.
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