Inbox Under Siege: 5 Email Attacks You Need to Know for 2025

This threat report, Inbox Under Siege, outlines five major email attack types—including cryptocurrency fraud and AI-generated business email compromise—that are expected to escalate in 2025. It explains how these attacks exploit trust and leverage legitimate platforms to bypass traditional security solutions. The report emphasizes the critical need for AI-native defenses to protect organizations from increasingly sophisticated email threats.