2 papers
cs.CR2026
TrEEStealer: Stealing Decision Trees via Enclave Side Channels
Jonas Sander, Anja Rabich, Nick Mahling +5
Today, machine learning is widely applied in sensitive, security-related, and financially lucrative applications. Model extraction attacks undermine current business models where a…
cs.CR2025
Okapi: Efficiently Safeguarding Speculative Data Accesses in Sandboxed Environments
Philipp Schmitz, Tobias Jauch, Alex Wezel +6
This paper introduces Okapi, a new hardware/software cross-layer architecture designed to mitigate Transient Execution Side Channel attacks, including Spectre variants, in modern c…