Generative AI erodes behavioral email detection: Proofpoint details AI-crafted BEC, device-code phishing and real estate lure campaigns
Proofpoint reported at its Protect 2026 conference that generative AI is removing the behavioral tells (awkward language, reused templates, repeated infrastructure) that email filters have relied on. Attackers can now produce fluent, personalized, unique messages for each recipient, which weakens behavior-only detection. The vendor cites …