Google isn’t the only company toying with the idea of a secure operating system based around a web browser

12 Jul

Google isn’t the only company toying with the idea of a secure operating system based around a web browser. Back in February, researches at Microsoft revealed details about Gazelle. Gazelle claims to be “a multi-principal OS construction of a secure web browser. Gazelle’s Browser Kernel exclusively provides cross-principal protection and fair sharing of all system resources.”

Like Chrome OS, which is built on top of Linux, Gazelle isn’t really a new operating system. Rather it is a layer that extends the browser’s security model down into the operating system level. Key to system is the idea of a “principal”, which in this case is the triple of protocol, domain-name, and port. Each combination is isolated from any other combination at the process level.

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