Security (OWASP Top 10)

Summary

Interview-level fluency in common backend security vulnerabilities and mitigations — SQL injection, auth flaws, and secrets management are frequent topics from mid-level interviews onward.

• 1Be ready to explain SQL injection and how parameterized queries prevent it, with an example.
• 2Know how you'd securely store and verify passwords.
• 3Prepare a real example of a security consideration you addressed in a project.