Joshua Kalyanapu

Thor: A Non-Speculative Value Dependent Timing Side Channel Attack Exploiting Intel AMX

2025 · IEEE Computer Architecture Letters

The rise of on-chip accelerators signifies a major shift in computing, driven by the growing demands of artificial intelligence (AI) and specialized applications. These accelerators have gained popularity due to their ability to substantially boost …

GATEBLEED: Exploiting On-Core Accelerator Power Gating for High Performance & Stealthy Attacks on AI

2025 · arXiv (Cornell University)

As power consumption from AI training and inference continues to increase, AI accelerators are being integrated directly into the CPU. Intel's Advanced Matrix Extensions (AMX) is one such example, debuting on the 4th generation Intel …