What are the best practices for securing a Java application?

What are the best practices for securing a Java application?

To secure a Java application, you should follow practices like input validation, using prepared statements, and implementing proper authentication.

Can you explain why input validation is important?

Input validation is crucial as it helps prevent attacks like SQL injection and cross-site scripting by ensuring that only valid data is processed.

What about using libraries and frameworks? Are there any recommendations?

Yes, always use well-maintained libraries and frameworks. They often have built-in security features and are regularly updated to fix vulnerabilities.

How can I ensure secure authentication in my application?

Implement strong password policies, use multi-factor authentication, and consider using OAuth or OpenID Connect for secure user authentication.