Now via API, Core Email Protection natively integrates with Microsoft 365 and blocks 99.99% of threats
Deploy quickly with a set-it-and-forget-it experience that automates remediation and simplifies investigations, setting a new standard for email security.
- Stops the widest variety of threats with Nexus, the leading threat detection engine powered by AI
- Delivers an average 30% improvement in detection efficacy for new customers
- Trusted by over 1.8M customers, including 85% of the Fortune 100

45% more attacks on M365 detected by Proofpoint Nexus
Proofpoint Nexus leverages unparalleled threat data and advanced AI to shut down AI-generated email cyberthreats that put organizations at greater risk, detecting 45% more attacks on M365.
Watch how Proofpoint’s Core Email Protection integrates with M365 in minutes
See real-time threat insights, automated remediation, and AI-driven intelligence from Nexus help security teams investigate, detect, and prevent email attacks with ease.
Watch now
If you want to see how Core Email Protection API deploys in minutes and protects in days, reach out to see it in action.
Proofpoint is a leader again in Gartner® Magic Quadrant™ for Email Security Platforms
The Gartner Magic Quadrant for email security platform provides critical insights into email security platforms providing protection against spam, phishing and business email compromise.
API or Gateway? Your choice
Whether organizations value comprehensive protection and customization, or lean into rapid deployment and simple configurations, Proofpoint provides the best solution with both API and Gateway Deployment methods.

Proofpoint Establishes Global Strategic Alliance with Microsoft
Expanded partnership deepens technology collaboration to provide joint customers with more powerful, seamless human-centric security.
Unlock Stronger Email Protection

See how Proofpoint Nexus-powered solutions beat the competition
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Stop the widest variety of advanced email threats with Nexus
