Company record · security vendor
Hornetsecurity
What the company sells
Hornetsecurity provides AI-powered Microsoft 365 security, backup and governance, risk and compliance services, including spam and malware protection, advanced threat protection, email encryption, archiving, DMARC management and data backup. Hornetsecurity Group was acquired by Proofpoint, Inc. in 2025, with the acquisition completed and announced on December 8, 2025. The company distributes its services through an international network of channel partners and managed service providers.[1][3]
- Categories
- Headquarters
- Not established from our sources
- Founded
- Not established from our sources
- Ownership
- Owned by Proofpoint, Inc. since 2025[2]
- CISO on record
- Not yet on our record. Send a verified source
- Website
- hornetsecurity.com
Products and services
Product names as the company writes them; what each does, in our words, from the company's own product pages. Never how well it does it.
365 Total Protection[3]
A bundled suite covering Microsoft 365 security, backup and governance, risk and compliance needs.
Security Awareness Service[3]
Training content aimed at educating users on security risks.
DMARC Manager[3]
A service for managing DMARC email authentication settings.
Advanced Threat Protection[3]
A service that defends against advanced email-borne threats.
Email Encryption[3]
A service that encrypts email communications.
365 Total Backup[3]
A backup service for Microsoft 365 data.
Competitors and alternatives
The other companies on our record filed under the same categories, category by category: first those that lead with that category and share more of Hornetsecurity's categories, then alphabetical. A list from the record, never a ranking.
On email security, Hornetsecurity competes with Cofense, Mimecast, Trustifi, Abnormal AI, Barracuda Networks, Egress, IRONSCALES, Material Security, Proofpoint, Sublime Security and 10 more.
On security awareness training, Hornetsecurity competes with Adaptive Security, KnowBe4, NINJIO, SoSafe, Cofense, Trustifi, AccessIT Group, Arctic Wolf, Elbit Systems, Forte Technologies and 5 more.
On email authentication and dmarc, Hornetsecurity competes with dmarcian, EasyDMARC, Red Sift, Sendmarc, Valimail and Mimecast.
On backup and cyber recovery, Hornetsecurity competes with Acronis, Cohesity, Commvault, Druva, HYCU, Keepit, Object First, Rubrik, Veeam, Freeit Data Solutions and 2 more.
References
Every fact above cites one of these by number. Tier A is the company itself, a regulator or a filing; tier B is trade or business press.
- [1]hornetsecurity.comHornetsecurity · hornetsecurity.com · undated page, accessed November 4, 2026 · Tier A: the company, a regulator or a filing
- [2]Proofpoint acquisition completed press releaseHornetsecurity · hornetsecurity.com · published December 8, 2025 · Tier A: the company, a regulator or a filing
- [3]hornetsecurity.comHornetsecurity · hornetsecurity.com · undated page, accessed November 4, 2026 · Tier A: the company, a regulator or a filing
Last verified November 4, 2026. Our code found the quoted passage behind each fact on its source page when the fact was recorded, and re-checks every record against its sources each month.
Recorded November 4, 2026 from the references above.
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Security leadership
CISO Tribune has not yet recorded who holds the top security seat at Hornetsecurity. We add a seat only from a verified source; if you have one, send it to the desk.
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