Rewriting fewer than 10 neurons can backdoor an open-weight LLM
Microsoft’s Lazarus edit of seven neurons in Nemotron-Terminal-8B made agents emit commands on an ordinary trigger, and no real-world use is reported.
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Stories tagged #llm-backdoor
OPBackdoor: Opportunistic Backdoors via Alibi-Aligned Reasoning
OPBackdoor hides LLM backdoors behind reasoning that triggers only when context supplies a plausible alibi.