Proofpoint Completes Acquisition of Hornetsecurity  

Proofpoint, Inc., a leading cybersecurity and compliance company, has announced it has completed its acquisition of Hornetsecurity Group, a leading pan-European provider of AI-powered Microsoft 365 (M365) security, data protection, compliance, and security awareness solutions for managed service providers (MSPs) and small to midsize businesses (SMBs).

The closing of the transaction marks a significant milestone in Proofpoint’s strategy to extend its human-centric security platform to organisations of all sizes through a purpose-built approach for the MSP channel. With Hornetsecurity’s strong market presence in Europe and a partner base serving over 125,000 customers via 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. “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.”

Adding 365 Total Protection by Hornetsecurity

Hornetsecurity’s flagship solution, 365 Total Protection, is the most comprehensive cloud security platform for M365 environments. With services spanning email security, backup, compliance, awareness training, and access control, the platform provides MSPs with a multi-tenant control panel to manage and scale protection for their customers—without the complexity of stitching together 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.”

As part of the transaction, Hornetsecurity will operate as a dedicated business unit focused on serving MSPs and SMBs worldwide. Daniel Hofmann will lead the business unit as executive vice president and general manager within Proofpoint. His executive leadership team will remain in place and continue to drive product innovation, go-to-market strategy, and partner success via the MSP Platform. Customers and partners can expect continuity in service and support, with additional benefits from Proofpoint’s global resources, research, and threat intelligence.

Under the terms of the agreement, Proofpoint will acquire Hornetsecurity for a total consideration of $1.8 billion. Hornetsecurity generates annual recurring revenue (“ARR”) of nearly USD $200 million, growing at 20% year-over-year. This acquisition reinforces Proofpoint’s commitment to the European market and its strategy to deliver differentiated, AI-powered security to every organization—regardless of size or geography.

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Blog by Sumit Dhawan, CEO, Proofpoint: https://www.proofpoint.com/us/blog/corporate-news/hornetsecurity-proofpoint-extending-human-and-agent-centric-security-every

Blog by Daniel Hofmann, GM & EVP, MSP Platform, Proofpoint: https://www.hornetsecurity.com/en/blog/new-chapter-with-proofpoint