Protect Your Business from the Growing Threat of Email Attacks

Email remains the #1 attack vector for cybercriminals, and with the widespread adoption of Microsoft 365, threats are increasing at an alarming rate. In fact, malware attacks on M365 have surged by 300% in the past three years, and 90% of security leaders believe additional safeguards are necessary to protect their organizations.

Without the right defences, your business is at risk of financial fraud, account takeovers, and data breaches. Mimecast’s Advanced Business Email Compromise (BEC) Protection delivers a multi-layered defence to keep you ahead of attackers.

Why Choose Mimecast?

Industry-Leading Email Security for Microsoft 365

•  Block the most advanced email threats – from phishing and ransomware to account takeovers and zero-day attacks.

•  AI-powered detection – Identifies threats using machine learning, behavioural analysis, and writing style recognition.

•  Stops threats before they reach your inbox – And provides instant remediation if an attack slips through.

Cloud-Integrated Email Security - Powerful Protection, Effortless Deployment

Mimecast Email Security seamlessly integrates with Microsoft 365, providing enterprise-grade threat protection in minutes.

42,000+

Organisations protected worldwide

1.7 billion

Emails analysed daily

27,000+

Customers trust Mimecast alongside M365

Deploy in minutes

Optimized M365 security, right out of the box.

Simplified management

Pre-configured settings, intuitive dashboard, one-click remediation.

Advanced AI-Powered BEC Protection

Cybercriminals are getting smarter. Attacks no longer rely solely on malware or malicious links—they impersonate your employees, suppliers, and executives to trick users into transferring money or sharing sensitive data.

By leveraging billions of security signals across our platform, Mimecast continuously adapts to evolving threats - helping prevent financial fraud, data breaches, and reputational damage.

Mimecast’s AI-driven BEC protection goes beyond standard email filtering to analyse:

Communication patterns

Detects anomalies in sender behaviour

Writing styles

Identifies impersonation attempts based on linguistic analysis.

Contextual clues

Flags suspicious emails even when they contain no malicious attachments or links.

Start Your Free 30-Day Threat Scan

Discover the threats Microsoft 365 misses. Mimecast deploys in minutes with no impact on email flow.