The article discusses the best practices for handling user input in web applications from the point of view of a backend developer. The article emphasizes the importance of proper handling of user input to prevent security vulnerabilities such as SQL injection, cross-site scripting, and other types of attacks. The best practices include input validation, sanitization, parameterized queries, limited user permissions, session management, error handling, and regular updates. The article concludes that by following these best practices, developers can ensure that user input is properly validated, sanitized, and secured, and prevent security vulnerabilities in their web applications.