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Microsoft Defender for Office 365Mimecast Email Security2 of 3 products
Microsoft logo

Microsoft Defender for Office 365

by Microsoft

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Mimecast logo

Mimecast Email Security

by Mimecast

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Overview

What it is

Microsoft Defender for Office 365

Microsoft Defender for Office 365 from Microsoft focuses on malware prevention. Key capabilities: Safe Links. Compare it with the leading Email Security alternatives.

Mimecast Email Security

Evaluating Mimecast Email Security? See how this Email Security tool handles attachment sandboxing, where it fits best and which alternatives to compare.

Product type

Microsoft Defender for Office 365

Email Security / Collaboration Security

Mimecast Email Security

Advanced Cloud Email Security Gateway

Best for

Microsoft Defender for Office 365

Cross-industry

Mimecast Email Security

Cross-industry, Finance, Legal, Healthcare, Retail, Education

Pricing

Pricing model

Microsoft Defender for Office 365

Contact Vendor

Mimecast Email Security

Contact Vendor

Free trial

Microsoft Defender for Office 365

Free trial: yes

Mimecast Email Security

Free trial: yes

Deployment

Deployment options

Microsoft Defender for Office 365

Cloud

Mimecast Email Security

SaaSCloud

Deployment details

Microsoft Defender for Office 365

Cloud; Microsoft 365 cloud

Mimecast Email Security

Cloud SaaS; Cloud SaaS Email Security Gateway

Data residency

Microsoft Defender for Office 365

Microsoft 365 tenant region/service dependent

Mimecast Email Security

United States; European Union; Australia; South Africa

Key features

What it offers

Microsoft Defender for Office 365

  • Anti-phishing
  • Safe Links
  • Safe Attachments
  • BEC protection
  • Threat investigation
  • Automated response
  • Email security
  • Malware prevention

Mimecast Email Security

  • Targeted Threat Protection (TTP)
  • Real-time URL scanning
  • Attachment sandboxing
  • DMARC/SPF/DKIM enforcement
  • Internal email monitoring
  • Advanced email threat protection
  • Spear-phishing prevention
  • DMARC enforcement

Platform & access

API access

Microsoft Defender for Office 365

API access: yes

Mimecast Email Security

API access: yes

Single sign-on (SSO)

Microsoft Defender for Office 365

SSO: yes

Mimecast Email Security

SSO: yes

Role-based access (RBAC)

Microsoft Defender for Office 365

RBAC: yes

Mimecast Email Security

RBAC: yes

Multi-tenant

Microsoft Defender for Office 365

Multi-tenant: yes

Mimecast Email Security

Multi-tenant: yes

Mobile app

Microsoft Defender for Office 365

Mobile app: no

Mimecast Email Security

Mobile app: no

Supported platforms

Microsoft Defender for Office 365

Microsoft 365Exchange OnlineSharePointOneDriveTeams

Mimecast Email Security

Microsoft 365Google WorkspaceOn-premises Exchange

Compliance

Microsoft Defender for Office 365

Microsoft 365 compliance portfolio

Mimecast Email Security

SOC 2 Type IIISO 27001GDPRHIPAA

Integrations & coverage

Integrations

Microsoft Defender for Office 365

Microsoft 365Microsoft Defender XDRMicrosoft EntraMicrosoft Purview

Mimecast Email Security

Microsoft 365Google WorkspaceExchange ServerSplunk

Industries

Microsoft Defender for Office 365

Cross-industry

Mimecast Email Security

Cross-industryFinanceLegalHealthcareRetailEducation

Regions

Microsoft Defender for Office 365

Global

Mimecast Email Security

Global

Vendor

Company

Microsoft Defender for Office 365

Microsoft

Mimecast Email Security

Mimecast

Headquarters

Microsoft Defender for Office 365

Redmond, Washington, USA

Mimecast Email Security

London, United Kingdom

Company size

Microsoft Defender for Office 365

200,000+

Mimecast Email Security

5,000+

Founded

Microsoft Defender for Office 365

1975

Mimecast Email Security

2003

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