Development and Implementation of the Mail Security Guardian (MSG) System for Multi-Layer Proactive Email Protection Against Spam, Phishing and Malware
Electronic mail remains the primary delivery mechanism for spam, phishing, business email compromise (BEC), and malware in enterprise environments. Existing Secure Email Gateways (SEGs) based on signature filtering and post-delivery analysis achieve approximately 0.91 F1-score under production conditions – a performanc...