Hornetsecurity Email Security
Hybrid email security with 99.9% spam detection and AI-powered threat protection.
Vendor Information
Hornetsecurity Email Security Overview
Hornetsecurity is a cloud-based email security platform that uses a hybrid approach combining Secure Email Gateway (SEG) and Integrated Cloud Email Security (ICES) technologies to protect Microsoft 365 and Google Workspace environments. With guaranteed spam detection rates of 99.9% and virus detection of 99.99%, the platform delivers multi-layered protection against phishing, Business Email Compromise (BEC), ransomware, and Advanced Persistent Threats (APTs) through AI-powered analysis and sandboxing.
The SEG layer provides foundational spam/malware filtering, email encryption, and archiving for compliance, while the ICES layer adds Advanced Threat Protection (ATP) with URL rewriting, QR code analysis, malicious document decryption, and AI Recipient Validation to detect zero-day attacks. The platform includes Data Loss Prevention (DLP) through 365 Permission Manager, automated Microsoft 365 backup with unlimited storage, Teams protection, and Security Awareness Training with AI-powered phishing simulations.
Founded in 2007 and headquartered in Hanover, Germany, Hornetsecurity serves over 125,000 customers across 120+ countries through 12,000+ channel partners, with a team of 750+ specialists. The company holds SOC 2 Type II, ISO 27001:2022, HIPAA, and PCI DSS certifications, and is recognized as a Top Player in Radicati's 2025 Secure Email Market Quadrant and a Niche Player in Gartner's Magic Quadrant for Email Security Platforms.
Key Capabilities
Standardized capabilities mapped to this product's security niche
Routes all inbound email through the SEG via MX record change, enabling pre-delivery inspection, queuing, and filtering before messages reach the mail server.
Inspects outbound email for data loss prevention policy violations, malicious content, and phishing links before delivery to external recipients.
Enforces TLS for SMTP transport and supports S/MIME or PGP for end-to-end message encryption based on sender policy or recipient certificate availability.
Detonates email attachments in an isolated execution environment before delivery, detecting zero-day malware and weaponized documents that bypass signature-based detection.
Builds per-user and per-vendor communication baselines from historical email patterns to detect anomalous content, timing, or sender behavior without relying on signatures or blocklists.
Detects compromised or spoofed third-party supplier accounts by analyzing communication pattern deviations, domain aging, and content signals, targeting invoice fraud and payment redirection attacks.
Detects signs of internal mailbox compromise (anomalous login geography, mail forwarding rule creation, unusual send volume), and can trigger automated session revocation.
Automates the intake, deduplication, and triage of user-submitted suspicious emails, cross-references against in-flight campaigns and triggers retroactive remediation across all recipients.
Analyzes email body text semantically to detect social engineering, pretexting, and urgency manipulation in messages that contain no malicious attachments or URLs.
Assesses the email communication risk posture of external supplier domains, flagging suppliers with poor email authentication, recent domain registration, or anomalous communication patterns.
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