How would you ensure the security of your backend services when dealing with sensitive data? Can you discuss some best practices you follow?

## What to Cover - Discussing encryption methods and their importance. - Addressing authentication frameworks (e.g., OAuth, JWT). - Mention regular security practices (e.g., penetration testing). ## Strong Answer Framework - Highlight multiple dimensions of security - technical, procedural, and compliance-related. ## Watch Out For - Being too vague or focusing solely on one aspect of security without a holistic view.