Explore the technical intricacies of Tesla's power upgrades in this 40-minute RSA Conference talk. Delve into the process of adding Ludicrous speed to a Model S, examining the security model and architecture of Tesla vehicles. Gain insights into the Battery Management System (BMS), firmware updates, and the Universal Diagnostic Services (UDS) routines involved in the upgrade process. Learn about potential security measures manufacturers can implement to safeguard against unauthorized third-party modifications. Discover the challenges and safety considerations in high-voltage vehicle modifications, and understand the implications for automotive cybersecurity.