TranScope:利用 CPU 性能计数器对 Transformer 做成员推断攻击
提出 TRANSCOPE,用 CPU 硬件计数器推断训练集成员
- arXiv
- 2610.06848
- Published
- Layer
- Infrastructure layer
- Setting
- Models and APIs
- Attacker
- Black-box
- Evaluated models
- BERT (4.4M-340M), ViT (22M-307M), Pythia (70M-2.8B) and others5
- AttacksExtraction and theft
- TechniqueSide channels
AbstractTRANSCOPE 揭示了分词器在嵌入表引发的硬件访问局部性差异,证实微架构计数器可突破恒定时间与置信度遮蔽防御。