most citedExplosive neural networks via higher-order interactions in curved statistical manifolds

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cs.CR2026

Now You (Still) See Me: Detecting Evasive Steganographic Payloads in LLMs

Charles Westphal, Timothy Douglas, Keivan Navaie +2

Large language models can be fine-tuned to encode prompt-borne secrets into fluent, seemingly benign outputs. This creates a steganographic exfiltration risk that is difficult to d…

cs.CR2026

Hide and Seek in Embedding Space: Geometry-based Steganography and Detection in Large Language Models

Charles Westphal, Keivan Navaie, Fernando E. Rosas

Fine-tuned LLMs can covertly encode prompt secrets into outputs via steganographic channels. Prior work demonstrated this threat but relied on trivially recoverable encodings. We f…