Tessian Defender is an advanced email security solution designed to detect and prevent sophisticated phishing and spear-phishing attacks that bypass traditional Secure Email Gateways (SEGs) and native email tools like O365 and G-Suite. By leveraging machine learning, Tessian identifies anomalies, suspicious links, and social engineering tactics without relying on predefined rules, offering real-time protection and in-the-moment training to enhance secure email behavior. Tessian’s approach not only blocks known threats but also adapts to emerging ones, ensuring comprehensive security while minimizing disruption to employee workflows.

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