Companies owned by Proofpoint
Proofpoint owns 1 company in the directory. It has its own profile here too. We have 8 of its acquisitions on record, each with its source.
The company it owns
| Company | Category | Based in | Founded |
|---|---|---|---|
 Hornetsecurity Ltd. Hornetsecurity provides Microsoft 365 security, backup, and compliance services for managed service providers. | Email security | Hanover, Germany | 2007 |
Acquisitions by Proofpoint
The record covers deals from 2020 onwards. Most deals before August 2026 come from monthly M&A roundups and are dated to the month. Since August 2026 we add deals from the news as they are reported. Smaller deals may be missing. Amounts are in US dollars.