Evidence · DiggingBeagle record
Fujitsu and Pillar research on BadEngram auxiliary memory poisoning
First-party explanation of auxiliary Engram tables and gating perturbations without modifying the main transformer weights.
- Source role
- primary disclosure
Evidence record
First-party explanation of auxiliary Engram tables and gating perturbations without modifying the main transformer weights.
Claim-level citations (1)
- supportsBadEngram backdoors model memory tables without changing backbone weights: Fujitsu and Pillar reported controlled trigger-dependent BadEngram behavior on DeepSeek-V4.1-Flash as well as the documented Qwen3.8 and adapted DeepSeek-7B systems, without changing the main model backbone.
Demonstration Results, paragraphs on DeepSeek-7B, Qwen3.8-Flash-Next, and DeepSeek-V4.1-Flash