Ruby Lee

New Models for Understanding and Reasoning about Speculative Execution Attacks

2021

Spectre and Meltdown attacks and their variants exploit hardware performance optimization features to cause security breaches. Secret information is accessed and leaked through covert or side channels. New attack variants keep appearing and we do …

ActionBert: Leveraging User Actions for Semantic Understanding of User Interfaces

2020 · arXiv (Cornell University)

As mobile devices are becoming ubiquitous, regularly interacting with a variety of user interfaces (UIs) is a common aspect of daily life for many people. To improve the accessibility of these devices and to enable …