---
description: Get a quick and detailed side-by-side comparison for MimeCast Email Security vs Microsoft Defender for Office 365. GetApp will help you learn more about each of these software benefits and disadvantages.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: MimeCast Email Security vs Microsoft Defender for Office 365 Comparison | GetApp Australia 2026
---

Breadcrumb: [Home](/) > [Email Security Gateway](/directory/3801/secure-email-gateway/software) > [MimeCast Email Security \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365)

# Compare MimeCast Email Security vs Microsoft Defender for Office 365

Canonical: https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365

> Detailed comparison between MimeCast Email Security and Microsoft Defender for Office 365. Check ratings, reviews, pricing, and features to make the best decision for your business.

-----

## At a Glance

| Metric | MimeCast Email Security | Microsoft Defender for Office 365 |
| **Overall rating** | 4.3/5 | 4.6/5 |
| **Total Reviews** | 80 | 235 |
| **Starting Price** | - | - |
| **Free Trial** | No | No |
| **Free Version** | No | - |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based |
| **Support** | Chat | - |
| **Training** | Documentation | Live Online, Webinars, Documentation, Videos |

## Key features

### MimeCast Email Security

- Alerts/Escalation
- Anomaly/Malware Detection
- Anti Spam
- Archiving & Retention
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Monitoring
- Encryption
- Microsoft Outlook Integration
- Monitoring
- Real-Time Monitoring
- Reporting/Analytics
- Spam Analysis
- Spam Blocker
- Spam Quarantine
- Threat Protection
- Threat Response

### Microsoft Defender for Office 365

- Alerts/Escalation
- Anti Spam
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Microsoft Outlook Integration
- Real-Time Monitoring
- Reporting/Analytics
- Spam Blocker
- Spam Quarantine
- Threat Protection
- Threat Response

## Links

- [View MimeCast Email Security Profile](https://www.getapp.com.au/software/2047906/mimecast-email-security)
- [View Microsoft Defender for Office 365 Profile](https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"MimeCast Email Security vs Microsoft Defender for Office 365 Comparison | GetApp Australia 2026","description":"Get a quick and detailed side-by-side comparison for MimeCast Email Security vs Microsoft Defender for Office 365. GetApp will help you learn more about each of these software benefits and disadvantages.","url":"https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365","about":[{"@id":"https://www.getapp.com.au/software/2047906/mimecast-email-security#software"},{"@id":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365#software"}],"breadcrumb":{"@id":"https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365#breadcrumblist"},"@type":["WebPage","CollectionPage"],"@id":"https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365#webpage","isPartOf":{"@id":"https://www.getapp.com.au/#website"},"inLanguage":"en-AU","publisher":{"@id":"https://www.getapp.com.au/#organization"}},{"name":"MimeCast Email Security","description":"MimeCast Email Security is a cloud-based secure email gateway designed to help businesses in healthcare, IT, legal, financial services, manufacturing, and other industries protect conversations from malware, spam, ransomware, spear-phishing, and zero-day attacks. Supervisors can monitor, detect and remediate internal threats by inspecting emails for malicious attachments, links, or confidential information. \n\nMimeCast Email Security automatically remediates malicious emails or attachments from employee's inboxes and offers a unified administration console for businesses to configure, manage and report on email security metrics. The platform scans inbound emails to detect similarities across domains, header anomalies, email spoofing, and other threats in real-time. Businesses can also evaluate attached files to identify abnormal codes or embedded threats and utilize a dashboard to gain insights into targeted attacks.\n\nUsing MimeCast Email Security, administrators can discard or quarantine specific emails, manage, report, and discover attack campaigns, and protect conversations from cyber attacks related to thefts of money, credentials, customer data, and other intellectual property.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/e9889ffe-c00e-4b3b-9763-ef8f77ac9132.jpeg","url":"https://www.getapp.com.au/software/2047906/mimecast-email-security","@type":"SoftwareApplication","@id":"https://www.getapp.com.au/software/2047906/mimecast-email-security#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.getapp.com.au/#organization"},"aggregateRating":{"@type":"AggregateRating","ratingValue":4.3,"bestRating":5,"ratingCount":80},"operatingSystem":"Cloud"},{"name":"Microsoft Defender for Office 365","description":"Microsoft Defender for Office 365 is a cloud-based email security software designed to help businesses automatically detect, investigate, and resolve potential email threats on a centralized platform. Supervisors can configure security policies, perform spoof checks, and maintain a record of reported incidents. \n\nMicrosoft Defender for Office 365 allows organizations to monitor all incoming and outgoing emails, verify the authenticity of senders or domains, and scan email attachments to prevent malware attacks. Managers can view quarantined messages and monitor the impact of campaigns through actionable analytics. It also lets users filter metadata based on various options and receive automated alerts about unusual URL clicks or other suspicious activities. \n\nMicrosoft Defender for Office 365 enables businesses to automatically block spam messages and determine email traffic patterns using artificial intelligence (AI) technology and machine learning capabilities. The software also helps users offer prioritized protection to specific accounts and create custom queries to inspect security events.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/d9d25d06-dd5f-467f-be05-1b51f5b10566.png","url":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365","@type":"SoftwareApplication","@id":"https://www.getapp.com.au/software/2054932/microsoft-defender-for-office-365#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.getapp.com.au/#organization"},"aggregateRating":{"@type":"AggregateRating","ratingValue":4.6,"bestRating":5,"ratingCount":235},"operatingSystem":"Cloud"},{"@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Email Security Gateway","position":2,"item":"/directory/3801/secure-email-gateway/software","@type":"ListItem"},{"name":"MimeCast Email Security vs Microsoft Defender for Office 365","position":3,"item":"https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365","@type":"ListItem"}],"@id":"https://www.getapp.com.au/compare/2047906/2054932/mimecast-email-security/vs/microsoft-defender-for-office-365#breadcrumblist"}]}
</script>