Work Protected: Microsoft Office 365 Security Guide

Microsoft 365's Email Security Isn't Enough 

Out of the box M365 email security may leave your email vulnerable to cyberattacks - 9 out of 10 cybersecurity professionals see the need to supplement Microsoft’s built-in email security features. To stop cyberattacks Microsoft misses organizations need layered email security. Learn how to maintain cyber resilience in a Microsoft dependent world.

Download your free Microsoft Office 365 security resources:

  • Email Security Market Guide  {Analyst Report}
  • Total Economic Impact of Mimecast Email Security  {Analyst Report}
  • Planning for Microsoft 365 Email Security Gaps  {E-book}
  • Mimecast Catches what Microsoft Misses {Research Report}
  • Mitigate the Risk of Zero Day Attacks Against Microsoft 365  {E-book}
  • Mimecast & Microsoft 365 - Layered Email Security  {Solution brief}
  • Why Customers use Mimecast with Microsoft 365  {Infographic}

Free M365 Security Resources


Achieve complete protection for M365

Mimecast offers the strongest protection for your Microsoft 365 environment with AI-powered Email Security — Here's how:

  • Enhance Microsoft 365 security with fully integrated, AI-powered threat detection.
  • Keep email communications flowing even when Microsoft can’t be there.
  • Make Microsoft 365 Email + Teams data secure, compliant and recoverable with intelligent, independent cloud archiving.

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As the number one attack vector, email deserves more

Mimecast is the must-have security companion for augmenting Microsoft 365.

MICROSOFT 365 RISKS ADDED PROTECTION WITH MIMECAST’S EMAIL SECURITY
Supply Chain Attack
  • Proactive webpage impersonation intelligence
  • Policies protecting brand and supply chain
  • DMARC enforcement & domain monitoring
Advanced Business Email Compromise
  • AI-behavioral analysis & anomalous detection
  • Extensive policy granularity & dynamic actions based on threat
  • Advanced similarity detection & third-party protection
Phishing URLs & Credential Harvesting
  • Multi-layered, deep inspection on every click
  • Computer vision & phish kit detection for credential theft
  • Inline user awareness & behavioral tracking
  • Browser Isolation protects all browsers & devices agnostically
Malicious Attachments
  • Real-time intelligence, enriched by API alliances
  • AI-based static file analysis & full emulation sandboxing
  • Award winning user awareness training and threat simulation
Lateral Movement
  • Auto-remediation for all newly categorized malware hashes
  • Simple administration with a single unified dashboard
  • Advanced scanning for all internal and outbound traffic
Cloud Threats
  • Enhanced native security with Mimecast intelligence through Sentinel + Microsoft 365 integrations
  • 70+ prebuilt integrations across leading security technologies
Downtime During Attack & Mailbox Protection
  • Independent, secure MTA backed by 100% email uptime SLA
  • Recovery for intentional or accidental deletion
  • Secure communication while everything else is unavailable
  • Independent post compromise mitigation for email
Non-Compliant Email & Teams Data
  • Independent, compliant and rapid search capabilities
  • Simple retention management, bottomless storage and advanced e-discovery
  • Enterprise Information Archiving Gartner MQ 7x leader

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Enhance M365 security with AI-powered threat detection

Trusted by over 40,000 businesses globally, including over 27,000 who rely on us to secure Microsoft 365.

94%

of IT pros agree M365 security features need to be augmented for better email security

90%

of corporate security breaches are the result of email-based phishing attacks

76%

of Microsoft 365 security email users experienced an outage in the past year


Mimecast wins Gold Cybersecurity Excellence Award for Email Security

Mimecast Email Security with Targeted Threat Protection is a leader in Email Security on G2

G2 recognized Mimecast as leader in email security

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Gartner Peer Insights Customers' Choice Awards - Email Security


“We were using Office 365's built-in protection for a long time, a lot of spam-based threats made it through. Mimecast stopped this instantly.”

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- G2 Reviewer

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Ready to Maximize Your M365 Protections? Get Your M365 Resources