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Report: Attackers Can Trick AI Assistants Into Displaying Phishing Messages

ID: da5df211-b3f9-5f1d-a79f-80135e754431

STIX ID: report--da5df211-b3f9-5f1d-a79f-80135e754431

Feed Name: KnowBe4 Blog

Threat Score
55/100

Date Published: 2026-03-26

Date Updated: 2026-04-28

Author: KnowBe4 Team

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*Researchers at Permiso demonstrated a proof-of-concept "model-mediated phishing" technique in which hidden instructions embedded in benign emails cause Microsoft 365 Copilot (and similar AI assistants) to generate phishing-style summaries or include internal context, allowing attackers to craft more convincing messages or exfiltrate sensitive information.*

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