Generative AI Is Erasing Behavioral Tells, Weakening Behavior-Only Detection, Proofpoint Reports

Generative AI is making malicious emails harder to detect by eliminating behavioral tells like poor grammar and generic templates. Attackers now use AI to craft fluent, personalized messages that evade behavior-based email security filters. This erodes a key detection mechanism email security professionals have relied upon.

https://thehackernews.com/2026/10/generative-ai-is-erasing-behavioral.html