Spring Security Interview Questions – Practice & Strengthen Application Security
Practice Spring Security interview questions with clear answers. Learn authentication, authorization, filters, and modern security practices for real-world applications.
Top Spring Security Interview Questions for Freshers and Experienced Developers
Master Spring Security with practical interview questions. Explore authentication flows, authorization strategies, and secure application design with concise explanations.
45 Questions2 PagesEasy · Medium · HardPage 2 of 2
Filter:AllEasyMediumHard
1
What is session fixation attack?
hardsecurityattack
Answer
Attacker reuses session ID.
Key concept: Session security.
Spring regenerates session on login.
Did you know it?
2
Explain filter ordering in Spring Security.
hardfiltersdebugging
Answer
Filters execute in defined order.
Key concept: Request lifecycle.
Incorrect order breaks security.
Did you know it?
3
What is OncePerRequestFilter?
mediumfiltersimplementation
Answer
Ensures filter runs once per request.
Key concept: Idempotency.
Common in JWT filters.
Did you know it?
4
How to secure REST APIs in Spring Boot?
mediumrestsecurity
Answer
Use JWT and disable sessions.
Key concept: Stateless security.
Configure HttpSecurity.
Did you know it?
5
What is CORS and how is it handled?
mediumcorssecurity
Answer
Controls cross-origin requests.
Key concept: Browser security.
Configure via CorsConfiguration.
Did you know it?
6
Explain difference between permitAll() and authenticated().
mediumauthorizationconfig
Answer
permitAll allows all users; authenticated requires login.
Key concept: Access rules.
Used in HttpSecurity.
Did you know it?
7
What is access decision manager?
hardauthorizationinternals
Answer
Decides if access is allowed.
Key concept: Authorization logic.
Uses voters internally.
