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)

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 …