The Hidden Bytes Attack On Claude
ArchiveExpert
A 2024 research thread showed LLMs reading invisible ASCII-equivalents encoded via Unicode block U+E0000-U+E007F — shown visually as nothing yet readable by the model. Name the block (two words). Flag format: CONGRESS{two-words}. Example: CONGRESS{private planes}.
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HTML-ish sounding word; singular + plural.
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