The Decoupling Principle
Schneier on Security
DECEMBER 7, 2022
This is a really interesting paper that discusses what the authors call the Decoupling Principle: The idea is simple, yet previously not clearly articulated: to ensure privacy, information should be divided architecturally and institutionally such that each entity has only the information they need to perform their relevant function. Architectural decoupling entails splitting functionality for different fundamental actions in a system, such as decoupling authentication (proving who is allowed to
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