🤖 ASCII smuggling crosses over from AI prompt injection to phishing evasion

Microsoft researchers discovered a high-volume phishing campaign that repurposed ASCII smuggling to split financial keywords like "funding" and evade email filters, generating over 2.3 million messages daily at its February 2026 peak.

https://www.microsoft.com/en-us/security/blog/2026/09/03/ascii-smuggling-crosses-over-from-ai-prompt-injection-to-phishing-evasion

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