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 Ars Technica article provenance

Spammers adopt ASCII smuggling to evade email AI detectors.

They publishedOnce popular for attacking AI, ASCII smuggling is embraced by spammers
Who / What / Where / When
Who
Ars Technica — 🇺🇸 United States
credibility ●●●●○ 4/5 curated · lean center-left
What
  • Spammers use ASCII smuggling to hide malicious prompts in emails.
  • Technique renders Unicode tag ranges readable by computers but invisible to humans.
  • Microsoft Defender detections spiked from 21,000 to 1.3 million per day in early February.
  • Detections rose to 2.5 million within four days and persisted for months.
  • Microsoft notes tag invisibility helps obfuscate keywords before detectors analyze.
Where
🇺🇸 United States (outlet HQ)
topics: Cybersecurity, AI · language: eng
When
published 4 Sept, 17:18Z
ingested 4 Sept, 17:45Z
Rewrite
original kept above, struck through · model ?
Retrieved
https://arstechnica.com/security/2026/09/once-popular-for-attacking-ai-ascii-smuggling-is-embraced-by-spammers/
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