
Hornetsecurity Ltd.
Hornetsecurity provides Microsoft 365 security, backup, and compliance services for managed service providers.
- Categories
- Email security, Backup and cyber recovery, Security awareness and human risk, DMARC and email authentication
- Based in
- Hanover, Germany
- Founded
- 2007
- Ownership
- Part of Proofpoint since 2025
- Certifications
- DIN50600-2019, ISO27001, SOC 1 Typ 1, ISAE 3402, SOC 2 Typ 2, SI-0002-2005, ISO20000, ISO50001, ISO9001, SOC 2, SOC 2 Bridge Letter
About Hornetsecurity Ltd.
Hornetsecurity Ltd. provides security, backup and compliance tools for Microsoft 365. It sells to managed service providers, which then serve small and mid-sized organisations. The company also works through a partner network of over 12,000 partners and claims more than 125,000 customers worldwide. Its platform is built for multi-tenant management, so providers can run protection for many clients from one place. The product set covers email security, spam and malware filtering, encryption, archiving, continuity and backup. It also includes security awareness training, permission management, domain fraud protection and virtual machine backup. Many features use artificial intelligence, such as recipient validation and an email security analyst. The company says its services run on secure regional infrastructure and hold various certifications. It has operated for 15 years and employs over 750 specialists.
Products
- 365 Total ProtectionAn all-in-one package for Microsoft 365 that combines email security, backup, compliance and awareness tools.
- Security Awareness ServiceAutomated training and simulated phishing to encourage safer employee behaviour.
- 365 Total BackupAutomated backup and recovery for Microsoft 365 data.
- Spam and Malware ProtectionFiltering service that blocks spam and malicious software.
- VM BackupBackup and replication for Hyper-V, Proxmox and VMware virtual machines.
- Advanced Threat ProtectionAI-based defence against sophisticated email attacks.
Ownership and deals
- Proofpoint acquired Hornetsecurity Ltd.Report on Proofpoint buying Hornetsecurity Ltd. (opens in a new tab)
- Hornetsecurity Ltd. acquired AltospamReport on Hornetsecurity Ltd. buying Altospam (opens in a new tab)
- Hornetsecurity Ltd. acquired VadeReport on Hornetsecurity Ltd. buying Vade (opens in a new tab)
- Raised private equity fundingInvestor TA AssociatesReport on the Hornetsecurity Ltd. funding round of September 2022 (opens in a new tab)
- Hornetsecurity Ltd. acquired IT-SealReport on Hornetsecurity Ltd. buying IT-Seal (opens in a new tab)
- Hornetsecurity Ltd. acquired ZerospamReport on Hornetsecurity Ltd. buying Zerospam (opens in a new tab)
Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. Funding rounds from 2022 onwards come from Return on Security's weekly Security, Funded newsletter. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.