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Implementing Least Privilege in Elixir with Ecto
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Source: onor.io
The author emphasizes the importance of the Principle of Least Privilege, which means giving users the minimum level of access required to perform necessary tasks and nothing more. This concept was emphasized with background details such as historical vulnerabilities in Windows OS before Vista. He explains that while securing at the application level is common, securing at the database level is more robust, albeit more difficult to set up. The article walks through the technical details of creating roles with varying levels of privilege using the Ecto PostgreSQL adapter in an Elixir application. Catenacci provides code samples for defining least-privileged users including 'read-only' and 'read-write' users, and the necessity of these roles during a database setup to avoid exploitation and unauthorized data access.
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