Tuesday, December 9, 2025

Proofpoint Finalizes Strategic $1.8B Acquisition of Hornetsecurity to Strengthen MSP and SMB Focus

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Proofpoint, Inc. has officially completed its acquisition of Hornetsecurity Group, a prominent pan-European provider of AI-driven Microsoft 365 security, data protection, compliance, and security awareness solutions for managed service providers (MSPs) and small to midsize businesses (SMBs), marking a major step in Proofpoint’s strategy to broaden its human- and agent-centric security platform for organizations of all sizes through a purpose-built MSP-focused approach. With Hornetsecurity’s expansive presence in Europe and a partner network serving over 125,000 customers via more than 12,000 MSPs and channel partners, Proofpoint significantly expands its reach and capabilities within the SMB segment. “We’re thrilled to officially welcome Hornetsecurity to Proofpoint and further our mission to protect the emerging agentic workspace for customers of every size,” said Sumit Dhawan, CEO of Proofpoint.

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“Together, we will extend our human and agent-centric security leadership to safeguard people, AI agents, and data, while expanding our reach to SMBs and MSPs with Hornetsecurity’s proven, scalable platform. As threats grow faster and more targeted, our combined expertise will raise the bar for innovation and resilience helping customers and partners worldwide safeguard what matters most.” Hornetsecurity’s flagship solution, 365 Total Protection, offers MSPs a comprehensive, multi-tenant control panel to manage email security, backup, compliance, awareness training, and access control without relying on multiple point solutions. “Joining Proofpoint marks a new chapter in our journey,” said Daniel Hofmann, founder and CEO of Hornetsecurity. “Together, we’re uniquely positioned to deliver the most effective M365 security and data protection to MSPs around the world. Building on our time-tested and well-established channel-centric approach, our combined capabilities, shared threat intelligence, and aligned vision will drive a new level of innovation and value for our partners and customers globally.” Under the transaction terms, Proofpoint will acquire Hornetsecurity for $1.8 billion, strengthening its commitment to the European market and reinforcing its mission to deliver differentiated, AI-powered security to organizations worldwide.

Read More: Proofpoint Completes Acquisition of Hornetsecurity

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