Advanced email threat detection and response. Stop attacks before damage occurs.

24x7 expert monitoring and response for the most common attack vector

Overwhelmed by email alerts?

Your email security tech can generate a lot of noise. We distill it down and identify what matters.

Block & detect email threats 24x7

Expel provides continuous SOC monitoring of email-based threats, with world-class detection, investigation, and response across your entire environment.

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Accelerate risk reduction

Quickly distinguish the real threats, determine additional victims, and prevent compromise with Expel’s managed response actions.

Get complete threat visibility

Analyze email threats faster with our centralized platform that correlates attacks across surfaces, prevents lateral movement, and delivers actionable insights—all in one place.

Your email security tools + Expel MDR = fast resolution

Our email threat protection integrates with the tools you have to detect sophisticated attacks, automatically remove malicious emails, and block threats across all user inboxes.

Why Expel

We protect your environment from complex email-based threats

Fast time-to-value

Get a tailored onboarding plan designed to your requirements—whether you’re connecting your email security tool or configuring a report-a-phish button.

World-class detection and threat intelligence

Reduce false positives with Expel’s expert-led detection strategy and engineering, continuously being tuned with new data and threat intelligence.

AI-powered alert enrichment

Expel automatically pulls in additional information from a variety of data sources to speed up analysis and add relevant threat information.

Maximize your investment

An innovative email detection strategy unlocks the full potential of your email security technologies, turning alerts into action.

Forrester Wave

Work with the only MDR vendor to receive 5 stars in cloud detection in The Forrester Wave™: Managed Detection and Response Services, Q1 2025

Access the report

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Ready to take the next steps with Expel MDR?

The choice is yours: see Expel in action on-demand, or explore our MDR packages.