Hornetsecurity

Hornetsecurity is a cloud-based cybersecurity company that provides security, compliance, backup, and data protection solutions primarily focused on Microsoft 365 (M365) environments. The company serves over 125,000 customers worldwide through a network of more than 12,000 partners, including managed service providers (MSPs). Their core product suite is branded as "365 Total Protection," offered in tiered plans: - Plan 1: Spam and malware filtering, email encryption, and email signatures/disclaimers - Plan 2: Adds AI-based advanced threat protection, email continuity, and email archiving - Plan 3: Adds automated M365 backup and recovery with unlimited storage - Plan 4: Adds security awareness training, permission management, DMARC reporting, AI recipient validation, Microsoft Teams protection, and an AI Email Security Analyst Additional standalone services include VM Backup (for Hyper-V, VMware, and physical Windows servers), 365 Permission Manager for M365 data sharing compliance, a Security Awareness Service with automated employee training, and a 365 Multi-Tenant Manager designed for MSPs managing multiple client environments. Hornetsecurity incorporates an AI Cyber Assistant called AI.MY, which powers features such as AI Recipient Validation, Teams Protection, and an AI Email Security Analyst. The company publishes an annual Cybersecurity Report based on analysis of tens of billions of emails. Hornetsecurity has been operating for approximately 15 years and employs over 750 specialists. In 2025, the company was acquired by Proofpoint. The company operates a partner program and targets organizations of all sizes across multiple industries.