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- Microsoft Defender for Office 365
- Mimecast Advanced Email Security
- Microsoft Defender for Office 365-vs-Mimecast Advanced Email Security
Compare Microsoft Defender for Office 365 and Mimecast Advanced Email Security 
At a Glance
Market Segments
Mid-Market (37.5% of reviews)
Mid-Market (68.9% of reviews)
Entry-Level Pricing
$2.00 1 User Per Month
No pricing available
Microsoft Defender for Office 365
Star Rating
(291)4.5 out of 5
Market Segments
Mid-Market (37.5% of reviews)
Entry-Level Pricing
$2.00 1 User Per Month
Browse all 2 pricing plansMimecast Advanced Email Security
Star Rating
(309)4.4 out of 5
Market Segments
Mid-Market (68.9% of reviews)
Entry-Level Pricing
No pricing available
Free Trial is available
Learn more about Mimecast Advanced Email SecuritySummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Mimecast Advanced Email Security excels in its Anti-Phishing capabilities, with a score of 8.8, while Microsoft Defender for Office 365 slightly outperforms it with a score of 9.0. Reviewers mention that Microsoft’s advanced threat protection features provide a more robust defense against phishing attacks.
- Reviewers mention that Mimecast's Quarantine feature is highly effective, scoring 9.0, but Microsoft Defender for Office 365 offers a slightly lower score of 8.8. Users say that Mimecast's user interface for managing quarantined emails is more intuitive, making it easier to retrieve false positives.
- G2 users highlight that Microsoft Defender for Office 365 has superior Real-Time Detection capabilities, scoring 8.9 compared to Mimecast's 8.9. However, users report that Mimecast provides more detailed intelligence reports, scoring 8.3, which helps in understanding threats better.
- Users on G2 report that Microsoft Defender for Office 365 shines in Encryption features, scoring 8.9, while Mimecast scores 8.2. Reviewers mention that Microsoft’s encryption options are more comprehensive, providing better security for sensitive information.
- Reviewers mention that Mimecast Advanced Email Security has a strong Data Loss Prevention feature with a score of 8.0, but Microsoft Defender for Office 365 outperforms it with a score of 8.5. Users say that Microsoft’s DLP policies are easier to configure and manage.
- Users report that both products have strong Compliance features, but Microsoft Defender for Office 365 scores slightly higher at 8.8 compared to Mimecast's 8.4. Reviewers mention that Microsoft provides more comprehensive compliance reporting tools, which are essential for regulatory adherence.
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Pricing
Entry-Level Pricing
Microsoft Defender for Office 365
Microsoft Defender for Office Plan 1
$2.00
1 User Per Month
Defender for Office 365 Plan 1 offers protection against advanced attacks across email and collaboration tools in Office 365.
- Protection against advanced attacks, such as phishing, malware, spam, and business email compromise
- Protection beyond email (Microsoft Teams, SharePoint, OneDrive, and Office apps)
- Internal email protection
Mimecast Advanced Email Security
No pricing availableFree Trial
Microsoft Defender for Office 365
No trial information availableMimecast Advanced Email Security
Free Trial is available
Ratings
Meets Requirements
9.0
227
9.0
244
Ease of Use
8.9
229
8.0
249
Ease of Setup
8.8
106
7.9
198
Ease of Admin
8.9
101
7.9
202
Quality of Support
8.7
222
8.4
238
Has the product been a good partner in doing business?
8.8
102
8.7
201
Product Direction (% positive)
9.4
218
8.9
239
Features by Category
Administration
8.8
143
|
Verified
8.0
114
9.0
141
|
Verified
8.4
115
8.9
138
|
Verified
8.2
113
8.5
136
|
Verified
8.1
97
Maintenance
8.7
134
|
Verified
8.1
113
8.8
141
|
Verified
8.9
117
8.8
137
8.5
105
8.6
132
|
Verified
8.6
111
Security
9.0
143
|
Verified
9.0
126
8.9
137
8.2
107
8.8
140
|
Verified
9.0
125
9.1
140
|
Verified
8.8
118
9.0
143
|
Verified
8.8
120
8.7
133
|
Verified
7.6
85
Administration
Not enough data
8.5
110
Not enough data
8.6
122
Not enough data
9.1
125
Not enough data
8.9
125
Detection
Not enough data
8.3
113
Not enough data
8.5
117
Not enough data
8.9
124
Protection
Not enough data
9.0
123
Not enough data
9.0
127
Not enough data
9.2
131
Agentic AI - Intelligent Email Protection
Not enough data
8.9
6
Not enough data
8.9
6
Functionality
Not enough data
9.1
131
|
Verified
Not enough data
9.2
131
|
Verified
Not enough data
8.8
131
|
Verified
Not enough data
9.0
129
|
Verified
Not enough data
9.0
129
|
Verified
Not enough data
9.1
124
|
Verified
Not enough data
9.0
127
|
Verified
Not enough data
8.8
121
|
Verified
Not enough data
8.5
128
|
Verified
Not enough data
Feature Not Available
Agentic AI - Secure Email Gateway
Not enough data
Not enough data
Agentic AI - Email Anti-spam Features
Not enough data
Not enough data
Not enough data
Not enough data
Orchestration
Not enough data
6.6
50
Not enough data
8.1
50
Not enough data
8.1
52
Not enough data
8.2
52
Information
Not enough data
8.2
51
Not enough data
8.8
52
Not enough data
8.4
52
Personalization
Not enough data
7.4
51
Not enough data
8.3
54
Not enough data
7.1
48
Generative AI
Not enough data
6.9
32
Agentic AI - Threat Intelligence
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Microsoft Defender for Office 365 and Mimecast Advanced Email Security are categorized as Cloud Email Security and Intelligent Email Protection
Unique Categories
Microsoft Defender for Office 365 is categorized as Email Anti-spam
Mimecast Advanced Email Security is categorized as Secure Email Gateway, Threat Intelligence, and Browser Isolation
Reviews
Reviewers' Company Size
Microsoft Defender for Office 365
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Mimecast Advanced Email Security
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
27.3%
Computer Software
12.4%
Computer & Network Security
12.0%
Financial Services
5.5%
Consulting
2.9%
Other
40.0%
Legal Services
9.6%
Information Technology and Services
7.6%
Financial Services
6.6%
Construction
4.6%
Computer Software
4.3%
Other
67.3%
Most Helpful Reviews
Microsoft Defender for Office 365
Most Helpful Favorable Review
Renier S.
Verified User in Accounting
Office 365 Advanced Threat Protection (ATP) safeguards your organization against malicious threats posed by email messages, links (URLs) and collaboration tools. ATP includes: Threat protection policies: Define threat-protection policies to set the...
Most Helpful Critical Review
Sameer C.
Verified User in Consumer Electronics
Installation and customer service can improve
Mimecast Advanced Email Security
Most Helpful Favorable Review
Ann M.
Verified User in Mining & Metals
Mimecast has been protecting us from spam and other email related threats on emails, we get manuals on sensitizing users on cyber security. We get prompt support.
Most Helpful Critical Review
Verified User in Airlines/Aviation
The status toggles with every deployed update
Renier S.
Verified User in Accounting
Office 365 Advanced Threat Protection (ATP) safeguards your organization against malicious threats posed by email messages, links (URLs) and collaboration tools. ATP includes: Threat protection policies: Define threat-protection policies to set the...
Ann M.
Verified User in Mining & Metals
Mimecast has been protecting us from spam and other email related threats on emails, we get manuals on sensitizing users on cyber security. We get prompt support.
Sameer C.
Verified User in Consumer Electronics
Installation and customer service can improve
Verified User in Airlines/Aviation
The status toggles with every deployed update
Alternatives
Discussions
What are the security features of Microsoft 365?
2 comments
EF
Multi-factor authentication, data encryption, threat protection, data protection, identity and access management are major features of MS Office 365.Read more
Does Microsoft 365 include Microsoft Defender?
2 comments
RS
Certainly! Please provide the text in the Unknown Language that you would like translated into English.Read more
Microsoft Defender for Office 365 has no more discussions with answers
Has anyone implemented ingesting the Audit logs from Mimecast into Graylog?
3 comments
DB
Yes, I have a working example. We also sell this as a featureRead more
What is Mimecast Email Security with Targeted Threat Protection used for?
2 comments
DG
Mimecast Email Security with Targeted Threat Protection is used to defend against phishing, malware, ransomware, and impersonation attacks.... It provides...Read more
Mimecast Advanced Email Security has no more discussions with answers
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