Matt Fredrikson

Contextual and Granular Policy Enforcement in Database-backed Applications

2020

Database-backed applications rely on inlined policy checks to process users' private and confidential data in a policy-compliant manner as traditional database access control mechanisms cannot enforce complex policies. However, application bugs due to missed checks …

Code of "Sirens' Whisper: Inaudible Near-Ultrasonic Jailbreaks of Speech-Driven LLMs"

2023 · arXiv (Cornell University)

## Introduction Large language models (LLMs) are increasingly deployed in voice interfaces such as smartphones, smart speakers, and in-vehicle systems, which broadens the attack surface to the acoustic front end. **SWhisper (Sirens’ Whisper)** is the …