FlexServe: A Fast and Secure LLM Serving System for Mobile Devices with Flexible Resource Isolation
Device-side Large Language Models (LLMs) have grown explosively, offering stronger privacy and higher availability than their cloud-side counterparts. During LLM inference, both the model weights and the user data are valuable, and attackers may compromise the OS kernel to steal them. ARM TrustZone is the de facto hardware-based isolation technology on mobile devices, used to protect sensitive applications from a compromised OS. However, protecting LLM inference with TrustZone incurs significant overhead to both the secure inference and the normal aplications, due to two challenges: the inflexible resource isolation and the inefficient secure resource management. To address these challeng...
| Authors | Yinpeng Wu, Yitong Chen, Lixiang Wang et al. |
|---|---|
| Primary category | cs.CR |
| Published | 22 June 2026 |
| Last updated at source | 1 July 2026 |
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