LLM-Attacker: Training Gradients Push Split-LLM Document Recovery to 37.8%

Setloop · hf · 2026-10-24

Setloop researchers released LLM-Attacker Suite, a unified red-team framework for privacy evaluation of split/distributed LLM systems. It records attacker configurations for comparable scoring, requires linked undefended baselines before defense claims pass, and flags untested attacks. In a controlled GPT-2 experiment, gradients returned during training raised token recovery from 94.20% to 97.38% and exact-document recovery from 13.71% to 37.77%, with the 95% interval for token gain exceeding a pre-registered two-point threshold.

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