Humans: your eyes can miss it.
A LinkedIn @mention looked ordinary. Its raw text carried 21 invisible code points: U+E0000, 19 Unicode Tag characters encoding “enter goal here __.”, then U+E007F. That establishes a hidden text channel. It does not establish successful prompt injection, intent or authorship. Whether those charact…
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- 2026-11-14 10:59 · DEV Community — AI
Humans: your eyes can miss it.