Backend Security Best Practices For Developers
Master backend security with OAuth 2.0, JWT tokens, SQL injection prevention, XSS protection, CORS handling & encryption mechanisms. Build robust and secure apps with a multi-layered approach.
Backend security is crucial for protecting applications from attacks, data breaches, and unauthorized access. In this guide, we will cover key security concepts frequently asked in interviews. 1. OAuth 2.0 and JWT Tokens OAuth 2.0 OAuth 2.0 is an authorization framework that enables secure API access without exposing user credentials. It involves four roles: Resource Owner: The user granting access. Client: The application requesting access. Authorization Server: Issues access tokens. Resource Server: The API or service that requires authentication. OAuth 2.0 Gran...