Proofpoint Email Protection

Proofpoint Email Protection blocks 99.999% of advanced email threats before users ever see them, powered by NexusAI, a proprietary engine trained on trillions of data points that tracks new AI-driven attack patterns in real time. The platform layers advanced language models, relationship graphs, machine learning, and computer vision to catch phishing, business email compromise, ransomware, and the payloadless social engineering attacks that traditional gateways wave right through. Pre-delivery LLM-based detection means threats are stopped before they reach the inbox, not flagged after someone's already clicked.

Beyond inbound protection, Proofpoint delivers comprehensive data loss prevention across email, cloud, and endpoint environments, with machine learning that classifies sensitive content accurately enough to enforce policies without drowning your security team in false positives. The 2026 platform release introduces AI-driven data access governance that provides visibility into human, non-human, and AI agent access to sensitive data, addressing the new reality that your data is being touched by autonomous systems that didn't exist two years ago. Encryption, archiving, and compliance capabilities round out a platform that treats email as the primary attack surface it's always been.

Proofpoint processes more email than anyone else, and that volume advantage feeds directly into detection accuracy. For organizations where email is both the lifeblood of communication and the front door for attackers, Proofpoint delivers the kind of threat intelligence depth that comes from seeing the full landscape of email-borne attacks, not just the ones targeting your domain.