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Azure Key Vault vs Microsoft Defender for Office 365 comparison

 

Comparison Buyer's Guide

Executive Summary

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
8.4
Azure Key Vault offers cost-effective security, regulatory compliance, and streamlined secret management, reducing internal development efforts and enhancing operations.
Sentiment score
7.4
Users found Microsoft Defender for Office 365 cost-effective, citing improved protection, time efficiency, and savings in security management.
It has also decreased our time to detection and response by about 15 to 20 percent.
 

Customer Service

Sentiment score
6.7
Azure Key Vault offers reliable support, though reaching specific experts can be challenging despite Microsoft's helpful advisory services.
Sentiment score
6.9
Microsoft Defender for Office 365 offers knowledgeable support, though escalation delays and outdated documentation can affect resolution speed.
The skill level of the support staff is also questionable.
I have a strong relationship with Microsoft since we are one of their best clients in Spain.
Customer service and support have been fantastic.
 

Scalability Issues

Sentiment score
7.5
Azure Key Vault excels in scalability, meeting diverse organizational needs and adapting well to different platforms and environments.
Sentiment score
8.1
Microsoft Defender for Office 365 is scalable, adaptable, and integrates seamlessly, supporting medium to large enterprises efficiently.
 

Stability Issues

Sentiment score
8.4
Azure Key Vault is highly dependable and stable, though some users note rare access issues and occasional performance decreases.
Sentiment score
7.8
Microsoft Defender for Office 365 is highly rated for stability, featuring strong performance and rare minor network issues.
 

Room For Improvement

Azure Key Vault requires enhanced accessibility, improved security, scalable pricing, and better user support for diverse business needs.
Microsoft Defender for Office 365 requires improvements in antivirus, scalability, integration, interface, threat intelligence, and licensing transparency.
My security area wants to rotate passwords every day, every week, or every month, depending on the services.
The skill level of the support staff is also questionable.
One of our certificates was not getting deployed, and during that time, the support team was unsure and had to connect with the back-end team for assistance.
The main area for improvement is simplifying the implementation and rollout process.
I would reduce the cost.
 

Setup Cost

Enterprise users have mixed views on Azure Key Vault pricing; it's seen as both cost-effective and expensive with high transaction volumes.
Microsoft Defender for Office 365 pricing varies; often costly for SMBs but competitive for enterprises, with added licensing complexities.
I would classify it as low priced.
We are planning to buy protection for Entra.
Money-wise, it is a part of the Office 365 suite, making it slightly more expensive compared to Trend Micro.
 

Valuable Features

Azure Key Vault provides secure, scalable management of secrets and keys with seamless Azure integration and user-friendly features.
Microsoft Defender for Office 365 provides comprehensive email protection with seamless Microsoft integration, enhancing threat management and data security.
It also helps me increase my security posture and assists with regulatory and compliance requirements.
All secrets are in the Key Vault, and access is managed by the integrated management in ITT, which Azure provides to the services.
It integrates well with Azure services and is easy to use and quick to provision.
It ranks the threats and allows us to prioritize those hitting us the hardest, such as email threats.
Microsoft Defender for Office 365 is now part of a centralized tenant for my entire group.
 

Categories and Ranking

Azure Key Vault
Ranking in Microsoft Security Suite
17th
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
49
Ranking in other categories
Enterprise Password Managers (1st), Certificate Management Software (1st)
Microsoft Defender for Offi...
Ranking in Microsoft Security Suite
11th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
48
Ranking in other categories
Email Security (1st), Advanced Threat Protection (ATP) (1st)
 

Mindshare comparison

As of April 2025, in the Microsoft Security Suite category, the mindshare of Azure Key Vault is 1.0%, up from 0.9% compared to the previous year. The mindshare of Microsoft Defender for Office 365 is 2.3%, down from 2.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Microsoft Security Suite
 

Featured Reviews

RituparnaBhattacharya - PeerSpot reviewer
Secret storage and certificate management have been streamlined
I am not on the developer's end. I am primarily the main infrastructure person. I'm not sure what needs improvement. Sometimes, we face issues that the support team is not aware of, necessitating investigation from their end. For example, one of our certificates was not getting deployed, and during that time, the support team was unsure and had to connect with the back-end team for assistance. Improvements can be made in this area, however, it's understandable that not everything can be perfect.
Tolu Omolaja - PeerSpot reviewer
Great URL scanning and attachment scanning, but I would like more proactive threat analysis
The two main features that prove most beneficial for us are URL scanning and attachment scanning. URL scanning involves an automatic scan of links and emails. When a user clicks on a link within an email, the system promptly checks the link's safety. If the link is deemed safe, access is granted automatically. However, if it is flagged as unsafe, we receive feedback and notification to caution us about the potentially harmful link. At this point, we are presented with the option to proceed or return. I have personally witnessed the system identify a few unsafe links, making this the primary advantage of using the solution. The second crucial aspect is the scanning of attachments. When an email containing an attachment arrives, we receive a notification of the new email, along with information that the attachment is being scanned for threats. This additional layer of security provides peace of mind for our organization. While Microsoft Defender for Office 365 offers numerous features, these two stand out as particularly impressive and valuable to us.
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846,617 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
13%
Manufacturing Company
9%
Government
8%
Computer Software Company
16%
Financial Services Firm
9%
Manufacturing Company
8%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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 do you like most about Microsoft Azure Key Vault?
With Azure Key Vault, we can generate our own keys and then import them inside the system, which provides a higher level of security than provider-managed keys.
What is your experience regarding pricing and costs for Microsoft Azure Key Vault?
The setup cost is low, as my usage is not extensive. I would classify it as low priced.
What do you like most about Microsoft Defender for Office 365?
Threat Explorer is an invaluable tool for me, and it plays a crucial role in helping me discern the origins of various email campaigns, pinpointing where they emanate from, and identifying the indi...
What is your experience regarding pricing and costs for Microsoft Defender for Office 365?
I don't have detailed specifics on pricing, setup cost, or licensing.
What needs improvement with Microsoft Defender for Office 365?
I am generally satisfied with how it currently is. If I could improve anything, I would reduce the cost.
 

Also Known As

Microsoft Azure Key Vault, MS Azure Key Vault
MS Defender for Office 365
 

Overview

 

Sample Customers

Adobe, DriveTime, Johnson Controls, HP, InterContinental Hotels Group, ASOS
Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
Find out what your peers are saying about Azure Key Vault vs. Microsoft Defender for Office 365 and other solutions. Updated: March 2025.
846,617 professionals have used our research since 2012.