Blog Security Research Cold Hard Cache — Bypassing RPC Interface Security with Cache Abuse Ben Barnea is a Security Researcher at Akamai with interest and experience in conducting low-level security research and vulnerability research across various architectures, including Windows, Linux, IoT, and mobile. He enjoys learning how complex mechanisms work and, more important, how they fail. Stiv Kupchik is a Security Researcher Team Lead at Akamai. His research projects revolve around OS internals, vulnerability research, and malware analysis. He has presented his research at conferences such as Black Hat, Hexacon, and 44CON. In addition to being a cybersecurity professional, Stiv also has a BSc in physics. In this blog post, we will focus on the security callback mechanism of RPC servers, how it can be bypassed by caching, and how we automated our research to flag Windows services as potentially vulnerable.…