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Azure Key Vault vs Microsoft Defender External Attack Surface Management comparison

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Executive Summary

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

Azure Key Vault
Ranking in Microsoft Security Suite
17th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
Enterprise Password Managers (1st), Certificate Management Software (1st), Secrets Management Tools (2nd)
Microsoft Defender External...
Ranking in Microsoft Security Suite
33rd
Average Rating
7.6
Reviews Sentiment
6.0
Number of Reviews
2
Ranking in other categories
Attack Surface Management (ASM) (16th)
 

Mindshare comparison

As of October 2026, in the Microsoft Security Suite category, the mindshare of Azure Key Vault is 2.6%, up from 1.1% compared to the previous year. The mindshare of Microsoft Defender External Attack Surface Management is 1.3%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite Mindshare Distribution
ProductMindshare (%)
Azure Key Vault2.6%
Microsoft Defender External Attack Surface Management1.3%
Other96.1%
Microsoft Security Suite
 

Featured Reviews

Rajthilak BS - PeerSpot reviewer
Associate Vice President (Data Security & Protection - Confidential AI) at Standard Chartered Bank
Have addressed compliance challenges but still struggle with seamless integration of certificate issuance between environments
In terms of Azure Key Vault improvements, we have to compare the competitor. If we consider AWS, our bank has Microsoft PKI, which is a Microsoft product, for the entire digital certificate infrastructure. Even in the cloud, when it is AWS, the internal certificates are MS PKI. When we had a problem, users had to come to on-premise to get a certificate and import it to AWS Certificate Manager and assign it. We wondered why we could not issue the certificate directly from the cloud for cloud users. There was a simple way in AWS. They have a Private Certificate Authority (PCA) and Amazon Certificate Manager. Private Certificate Authority issues certificates to Amazon services. They also provide Amazon Certificate Manager to store and deploy certificates. These are two neat components - one is an issuer and another is storage and deployment solutions for certificates. With PCA, I can directly enable it and get certificates from AWS itself. AWS can issue SSL/TLS certificates if you enable it directly. If you consider Azure, it is not very clear. Even the naming convention, Key Vault, might not suggest that this is a PKI or certificate manager. You cannot issue certificates directly. They have app certificates and did not have a clear-cut certificate management solution in the cloud when I worked at that time. I am not sure whether they have updated Azure Key Vault as a full-fledged PKI solution now. From what I saw, it was not a full-fledged PKI solution. We are not majorly using Azure Key Vault because it is only for storing secrets. If some solutions can provide guidance on how we can maximize leverage, we can immediately look forward to doing that. We already have some business problems we want to solve. While our primary focus is AWS, many of the services such as ADO are running on Azure, and the secondary services are growing bigger.
AndyChan3 - PeerSpot reviewer
General manager at a tech services company with 201-500 employees
Enhanced visibility and exposes vulnerabilities but needs more integration
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will move to full-scale production in another year, maybe Microsoft External Attack Surface Management…

Quotes from Members

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

Pros

"I would say it's granular controller who can access them."
"The tool is highly secure and very easy to manage."
"The most valuable aspect of the product is its ability to keep our admin password accounts for keys and a lot of our high-value assets."
"The most valuable feature is that you can retrieve user account details from the cloud."
"The solution can scale up as needed."
"One of the most valuable features of Microsoft Azure Key Vault is its ease of use."
"It helps me increase my security posture and assists with regulatory and compliance requirements."
"Once we got Microsoft Azure Key Vault set up and injected into our code, we have had pretty good success storing our secrets and passwords for our integrations and applications."
"It seems to be better at protecting from cyberattacks."
"Microsoft External Attack Surface Management helps improve the visibility of my exposed vulnerabilities and provides an overview of my security posture across the globe."
 

Cons

"The platform's configuration process could be easier."
"There are additional charges for data transfers. However, the pricing is mostly reasonable for the licensing overall."
"While it's very reliable in terms of stability, there's always room for improvement."
"I would suggest making the user interface a bit more friendly."
"Inability to access the solution on the phone."
"We encountered a few problems where Azure had infrastructure problems like the DMS."
"The big problem with Azure Key Vault is key rotation. We haven't found a good way to synchronize the credentials between the databases and Key Vault."
"It needs to offer dynamic secrets management."
"The integration is not as seamless compared to competitors like Palo Alto."
"Further integration across different Microsoft products would be an improvement."
"With Microsoft, support is always crazy, it's not easy to get support."
 

Pricing and Cost Advice

"Azure Key Vault is expensive."
"It is less expensive compared to other competitors."
"The product costs much less compared to other vendors."
"The product is affordable, in my opinion."
"Pricing is quite reasonable and support is included, although premium support is available for an additional fee."
"It is a cheap option."
"The product is inexpensive."
"Currently, the tool's monthly licensing costs are around 1,800 USD for all the environments combined, including the production and pre-production environments."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
8%
Outsourcing Company
6%
Outsourcing Company
14%
Computer Software Company
10%
Financial Services Firm
9%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise10
Large Enterprise28
No data available
 

Questions from the Community

Which is better - Azure Key Vault or AWS Secrets Manager?
Azure Key Vault is a SaaS solution. You can easily store passwords and secrets securely and encrypt them. Azure Key Vault is a great solution to ensure you are compliant with security and governanc...
What needs improvement with Microsoft Azure Key Vault?
Based on my three years of experience, I believe there have been no updates to Azure Key Vault. I think the product needs upgrades in terms of access control and certification improvements. While A...
What needs improvement with Microsoft Defender External Attack Surface Management?
Further integration across different Microsoft products would be an improvement. Introduction of more AI automation into the products would also be beneficial. The integration is not as seamless co...
What is your primary use case for Microsoft Defender External Attack Surface Management?
I am currently in the pilot stage of implementing Microsoft External Attack Surface Management (EASM). My organization is transitioning to a comprehensive track of Microsoft solutions, and we will ...
 

Also Known As

Microsoft Azure Key Vault, MS Azure Key Vault
No data available
 

Overview

 

Sample Customers

Adobe, DriveTime, Johnson Controls, HP, InterContinental Hotels Group, ASOS
Information Not Available
Find out what your peers are saying about Azure Key Vault vs. Microsoft Defender External Attack Surface Management and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.