API Authentication & Authorization
OAuth 2.0 flows, JWT structure and validation, API keys, mTLS, OIDC, token introspection, and Spring Security integration.
OAuth 2.0 flows, JWT structure and validation, API keys, mTLS, OIDC, token introspection, and Spring Security integration.
Deep dive into authentication and authorization patterns including sessions, JWT, OAuth 2.0, OIDC, RBAC, ABAC, MFA, passwordless, passkeys, and Spring Security implementation.
Comprehensive security interview question bank for Java/Spring engineers — covering authentication, JWT, JWKS, MLE, payload signing, TLS, web vulnerabilities, cryptography, network security, cloud security, and secure design.
Comprehensive guide to Spring Security, including authentication, authorization, filter chains, exception handling, and common application security patterns.
A comprehensive guide covering the most important and tricky Spring Security interview questions, including OAuth2, JWT, CORS, CSRF, and method-level security.
Comprehensive guide to OWASP Top 10 — SQL injection, XSS, CSRF, SSRF, XXE, IDOR, insecure deserialization, and their mitigations in Spring Boot applications.