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Microsoft Defender for Cloud vs Splunk Observability Cloud comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 21, 2025

Review summaries and opinions

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

ROI

Sentiment score
7.3
Microsoft Defender for Cloud boosts security and efficiency, integrates with Azure, reduces costs, prevents breaches, and offers proactive defense.
Sentiment score
7.0
Splunk Observability Cloud boosts productivity, efficiency, and ROI by simplifying problem detection and improving KPI management and collaboration.
Defender proactively indexes and analyzes documents, identifying potential threats even when inactive, enhancing preventative security.
Identifying potential vulnerabilities has helped us avoid costly data losses.
The biggest return on investment is the rapid improvement of security posture.
Using Splunk has saved my organization about 30% of our budget compared to using multiple different monitoring products.
Anyone working in front-end management should recognize the market price to see the true value of end-user monitoring.
I have definitely seen a return on investment with Splunk Observability Cloud, particularly through how fast it has grown and how comfortable other teams are in relying on its outputs for monitoring and observability.
 

Customer Service

Sentiment score
6.5
Microsoft Defender for Cloud support is responsive at higher levels, but experiences vary with mixed satisfaction due to delays.
Sentiment score
7.0
Splunk Observability Cloud support is generally responsive but can be slow, with improvement needed, especially in the APAC region.
Since security is critical, we prefer a quicker response time.
The support team was very responsive to queries.
They understand their product, but much like us, they struggle with the finer details, especially with new features.
On a scale of 1 to 10, the customer service and technical support deserve a 10.
They have consistently helped us resolve any issues we've encountered.
They often require multiple questions, with five or six emails to get a response.
 

Scalability Issues

Sentiment score
7.7
Microsoft Defender for Cloud is scalable, integrating across environments effortlessly, suitable for all enterprise sizes with flexible performance.
Sentiment score
7.4
Splunk Observability Cloud is scalable and flexible but can be costly, with challenges in data ingestion and implementation.
We are using infrastructure as a code, so we do not have any scalability issues with Microsoft Defender for Cloud implementation because our cloud automatically does it.
It has multiple licenses and features, covering infrastructures from a hundred to five hundred virtual machines, without any issues.
Defender won't replace our endpoint XDR, but it will likely adapt and support any growth in the Microsoft Cloud space.
We've used the solution across more than 250 people, including engineers.
As we are a growing company transitioning all our applications to the cloud, and with the increasing number of cloud-native applications, Splunk Observability Cloud will help us achieve digital resiliency and reduce our mean time to resolution.
I would rate its scalability a nine out of ten.
 

Stability Issues

Sentiment score
7.6
Microsoft Defender for Cloud is stable and reliable, with minimal issues mainly during updates, ensuring strong user satisfaction.
Sentiment score
7.7
Splunk Observability Cloud is highly stable, rated 8-10/10 for reliability, with minor issues usually from user configurations.
Defender's stability has been flawless for us.
Microsoft Defender for Cloud is very stable.
Microsoft sometimes changes settings or configurations without transparency.
I would rate its stability a nine out of ten.
We rarely have problems accessing the dashboard or the page.
Unlike NetScout or regular agents for APM, RUM has many problems during the POC phase because customer environments vary widely.
 

Room For Improvement

Microsoft Defender for Cloud users seek better automation, clarity, integration, AI features, and comprehensive analytics for improved security management.
Splunk Observability Cloud needs integration, automation, performance, pricing improvements, and enhanced UI, documentation, AI, and support services.
Microsoft, in general, could significantly improve its communication and support.
It would be beneficial to streamline recommendations to avoid unnecessary alerts and to refine the severity of alerts based on specific environments or environmental attributes.
The artificial intelligence features could be expanded to allow the system to autonomously manage security issues without needing intervention from admins.
The out-of-the-box customizable dashboards in Splunk Observability Cloud are very effective in showcasing IT performance to business leaders.
The next release of Splunk Observability Cloud should include a feature that makes it so that when looking at charts and dashboards, and also looking at one environment regardless of the product feature that you're in, APM, infrastructure, RUM, the environment that is chosen in the first location when you sign into Splunk Observability Cloud needs to stay persistent all the way through.
There is room for improvement in the alerting system, which is complicated and has less documentation available.
 

Setup Cost

Microsoft Defender for Cloud is scalable, offering free and paid versions with costs averaging $15 monthly per server.
Splunk Observability Cloud offers advanced features but can become costly as data volume and infrastructure needs grow.
Every time we consider expanding usage, we carefully evaluate the necessity due to cost concerns.
We appreciate the licensing approach based on employee count rather than a big enterprise license.
Microsoft Defender for Cloud is pricey, especially for Kubernetes clusters.
Splunk is a bit expensive since it charges based on the indexing rate of data.
It is expensive, especially when there are other vendors that offer something similar for much cheaper.
It appears to be expensive compared to competitors.
 

Valuable Features

Microsoft Defender for Cloud enhances security with AI-based threat detection, multi-cloud support, and a unified portal for comprehensive management.
Splunk Observability Cloud offers seamless data integration, real-time insights, and efficient monitoring, enhancing performance visibility across diverse environments.
The most valuable feature for me is the variety of APIs available.
This feature significantly aids in threat detection and enhances the user experience by streamlining security management.
The most valuable feature is the recommendations provided on how to improve security.
Splunk provides advanced notifications of roadblocks in the application, which helps us to improve and avoid impacts during high-volume days.
For troubleshooting, we can detect problems in seconds, which is particularly helpful for digital teams.
It offers unified visibility for logs, metrics, and traces.
 

Categories and Ranking

Microsoft Defender for Cloud
Ranking in Container Management
9th
Average Rating
8.0
Reviews Sentiment
7.0
Number of Reviews
79
Ranking in other categories
Vulnerability Management (7th), Container Security (7th), Cloud Workload Protection Platforms (CWPP) (1st), Cloud Security Posture Management (CSPM) (4th), Cloud-Native Application Protection Platforms (CNAPP) (4th), Data Security Posture Management (DSPM) (4th), Microsoft Security Suite (8th), Compliance Management (5th), Cloud Detection and Response (CDR) (2nd)
Splunk Observability Cloud
Ranking in Container Management
6th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
71
Ranking in other categories
Application Performance Monitoring (APM) and Observability (8th), Network Monitoring Software (6th), IT Infrastructure Monitoring (7th), Cloud Monitoring Software (8th), Digital Experience Monitoring (DEM) (2nd)
 

Mindshare comparison

As of October 2025, in the Container Management category, the mindshare of Microsoft Defender for Cloud is 1.1%, up from 1.0% compared to the previous year. The mindshare of Splunk Observability Cloud is 0.5%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Management Market Share Distribution
ProductMarket Share (%)
Splunk Observability Cloud0.5%
Microsoft Defender for Cloud1.1%
Other98.4%
Container Management
 

Featured Reviews

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.
Taiwo Ige - PeerSpot reviewer
Alerting improves incident response across teams and enables faster awareness before customer impact
Splunk Observability Cloud could be improved in terms of integrations with more technical add-ons, such as Zoom. Although they have one with Zoom, it's not available in the cloud, so having that feature would be beneficial. Essentially, Splunk should continue expanding to create easier ways to ingest logs from different products. The out-of-the-box customizable dashboards in Splunk Observability Cloud are very effective in showcasing IT performance to business leaders. However, there are aspects that could be improved, such as linking dashboards to one another. While IT leaders may not drill down, it's crucial to create levels of dashboards for technical users to find root causes, making it effective for stakeholders.
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Computer Software Company
12%
Manufacturing Company
9%
Government
7%
Financial Services Firm
15%
Computer Software Company
12%
Retailer
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business26
Midsize Enterprise7
Large Enterprise45
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise10
Large Enterprise43
 

Questions from the Community

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 across your ecosystem. It also has great remote workforce capabilities and supports a...
What do you like most about Microsoft Defender for Cloud?
The entire Defender Suite is tightly coupled, integrated, and collaborative.
What do you like most about SignalFx?
The most valuable feature is dashboard creation.
What needs improvement with SignalFx?
Regarding dashboard customization, while Splunk has many dashboard building options, customers sometimes need to create specific dashboards, particularly for applicative metrics such as Java and pr...
What is your primary use case for SignalFx?
The solution involves observability in general, such as Application Performance Monitoring, and generally addresses digital applications, web applications, sites, and mobile applications. I worked ...
 

Also Known As

Microsoft Azure Security Center, Azure Security Center, Microsoft ASC, Azure Defender
Splunk Infrastructure Monitoring, Splunk Real User Monitoring (RUM), Splunk Synthetic Monitoring
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

Microsoft Defender for Cloud is trusted by companies such as ASOS, Vatenfall, SWC Technology Partners, and more.
Sunrun, Yelp, Onshape, Tapjoy, Symphony Commerce, Chairish, Clever, Grovo, Bazaar Voice, Zenefits, Avalara
Find out what your peers are saying about Microsoft Defender for Cloud vs. Splunk Observability Cloud and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.