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Invisible Unicode Tag Characters Just Jumped From Prompt Injection to Phishing

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

Microsoft's threat research team found something worth paying attention to in early 2026: a detection signature built to catch AI prompt injection started firing on plain old phishing email. Same technique, completely different attacker, completely different goal. The hook: a detection built for on…

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  1. 2026-09-09 15:15 · DEV Community — AI
    Invisible Unicode Tag Characters Just Jumped From Prompt Injection to Phishing

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