AI-Powered Phishing 2026 — How BEC Became a Multi-Persona AI Campaign

Business email compromise used to involve one attacker impersonating one executive. In 2026, Proofpoint documented BEC campaigns where AI coordinates multiple fake personas simultaneously — a fake CFO, a fake legal adviser, and a fake supplier contact all building a relationship over weeks before the final payment request arrives. The multi-persona campaign builds trust that no single-source impersonation can achieve, and AI handles all the coordination. My breakdown of how AI transformed phishing from a volume game to a precision…

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