Proofpoint to Buy Hornetsecurity in $1 Billion Deal

Proofpoint has reached an agreement to acquire Germany-based Hornetsecurity Group in a deal valued at over $1 billion, the companies announced. The acquisition will expand Proofpoint’s capabilities in cloud-based email and collaboration security, particularly for Microsoft 365 environments. Hornetsecurity provides a suite of security tools tailored for Microsoft’s productivity platform, including email filtering, backup, and compliance solutions.

The move reflects Proofpoint’s strategy to bolster its cybersecurity offerings amid growing demand for cloud-native protection tools. By integrating Hornetsecurity’s services, Proofpoint aims to enhance its portfolio to better defend against threats targeting enterprise communication platforms.

The acquisition positions Proofpoint to offer a more comprehensive suite of tools for organizations transitioning to cloud-based productivity and email systems. The transaction, subject to regulatory approval and customary closing conditions, is expected to strengthen Proofpoint’s presence in the European market. Further details on the timeline and integration plans were not disclosed.