hoyhoy writes "IBM Developerworks is discussing the PS3 Cell Processor Security Architecture today on Developerworks. It details the hardware level security for isolating processes that exists in the Cell processor's architecture." From the article: "The architecture's main strength is its ability to allow an application to protect itself using the hardware security features instead of the conventional method of solely relying on the operating system or other supervisory software for protection. Therefore, if the operating system is compromised by an attack, the hardware security features can still protect the application and its valuable data. As an analogy, consider the protection the supervisory software provides as the castle's moat and the Cell BE security hardware features as the locked safe inside the castle."
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