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.
Security design patterns for distributed systems including authentication, authorization, JWT, OAuth 2.0, rate limiting, zero trust, secrets management, and OWASP top threats.