Security Quiz — Auth, OAuth2, JWT & Common Vulnerabilities
Security knowledge is non-negotiable for backend developers. Understanding OAuth2 flows, JWT pitfalls, common OWASP vulnerabilities, and secure coding practices protects your users and your career.
Security skills are increasingly expected of all backend and full-stack developers — not just specialised security engineers. Companies need devs who write secure code by default.
Sample Questions
3 of 10Q1.What is the difference between authentication and authorisation?
Q2.What is a JWT and what is its key security consideration?
Q3.What is SQL injection and how do you prevent it?
Answer all 3 questions to see your score
Get your verified Security score
Take the full 10-question quiz. Your score gets added to your developer resume as a verified skill badge — proof that you actually know Security.
How verified skills work
Take the Security quiz
10 adaptive questions covering real-world scenarios, not just syntax recall.
Your score is recorded
Skeelzy tracks your accuracy per skill over time — multiple attempts improve your verified score.
Add it to your resume
Your Security accuracy appears as a verified badge on your public Skeelzy resume — proof for recruiters.