Once popular for attacking AI, ASCII smuggling is embraced by spammers

The piece explains that a rarely‑noticed Unicode block, invisible to human readers, was once used to exploit AI systems and is now being leveraged by spammers to hide content. Known as ASCII smuggling, the method helps bypass filters by embedding text that only machines can process.

Summary written by Kernelia from the original article by Ars Technica — AI. The story and its rights belong to its author.