Proofpoint Acquiring Hornetsecurity: What It Actually Means

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Just announced: Proofpoint is buying Hornetsecurity

Interesting email security news today – Proofpoint has signed a definitive agreement to acquire Hornetsecurity. The deal is expected to close in the second half of 2025.

The Facts

  • Hornetsecurity has built a solid business with $160M in annual recurring revenue
  • They serve 12,000+ MSPs and 125,000+ SMBs, primarily in Europe
  • Proofpoint already works with 85% of Fortune 100 companies
  • Hornetsecurity’s team, including CEO Daniel Hofmann, will stay in place
  • This comes just 14 months after Hornetsecurity acquired Vade in March 2024

What’s Actually Happening Here

This looks like a continuation of market consolidation. First Hornetsecurity absorbed Vade’s AI-powered email security technology, and now Proofpoint is absorbing Hornetsecurity. Proofpoint gets better access to the MSP channel, European SMB market, and Vade’s technology stack, while Hornetsecurity gets Proofpoint’s threat intelligence and enterprise resources.

According to the announcement, Hornetsecurity will become Proofpoint’s hub for MSP and SMB customers. This suggests they’ll keep the platforms separate rather than trying to merge products immediately.

Questions Worth Asking

  • Will pricing change for existing Hornetsecurity and Vade customers?
  • How will the threat intelligence sharing actually work between platforms?
  • What happens to overlapping products in all three portfolios?
  • Is the Vade acquisition fully integrated, or will Proofpoint now have to manage that transition too?

The email security market continues to rapidly consolidate. Two significant acquisitions in barely a year shows how quickly the landscape is changing. Whether this ends up being good for customers or just shareholders remains to be seen.

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