Instruction: Discuss the strategies to secure REST APIs built with Django REST Framework.
Context: This question examines the candidate's understanding of API security practices and their ability to apply them in Django REST Framework.
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Firstly, authentication is the cornerstone of secure API access. In Django REST Framework, I typically employ Token Authentication for simpler apps, which assigns a unique token to each user that must be included in the header of every API request. However, for applications requiring higher security levels, I prefer using JSON Web Tokens (JWT). JWTs not only confirm user identity but also provide the capability to expire tokens and add custom data to each token, enhancing security and usability.
Secondly, permissions are crucial. They determine what an authenticated user can and cannot do. DRF offers a flexible permissions system, and I always customize it to fit the application’s specific needs. For instance, implementing object-level permissions...