Microsoft says email spammers are adopting ASCII smuggling, an AI prompt injection tactic used to hide malicious instructions, to evade email platform filters (Dan Goodin/Ars Technica)

TechmemeSeptember 5, 2026en

Dan Goodin / Ars Technica : Microsoft says email spammers are adopting ASCII smuggling, an AI prompt injection tactic used to hide malicious instructions, to evade email platform filters — A clever technique used to hide malicious prompts in attacks on AI agents has been adopted by spammers to evade filters …

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