Describe how to secure a Flask application against common security threats.
Instruction: Discuss the strategies and techniques you use to protect a Flask application from security vulnerabilities.
Context: This question evaluates the candidate's awareness and implementation of security measures to safeguard a Flask application against threats like SQL injection, XSS, and CSRF.
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SQL Injection: One of the most critical steps in securing a Flask application against SQL injection is to ensure that raw SQL queries are avoided whenever possible. Instead, I advocate for the use of ORM (Object Relational Mapping) libraries, such as SQLAlchemy, which Flask readily supports. ORMs inherently sanitize data, effectively neutralizing potentially harmful SQL code...