Amazon Cognito
AWS Cognito for DVA-C02 — User Pools vs Identity Pools, JWT tokens, hosted UI, federation with social providers, Cognito Sync, and all common exam patterns. Java SDK examples included.
AWS Cognito for DVA-C02 — User Pools vs Identity Pools, JWT tokens, hosted UI, federation with social providers, Cognito Sync, and all common exam patterns. Java SDK examples included.
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.
Deep-dive into web authentication mechanisms — Cookies, Sessions, and JWTs — for senior engineering interviews and production systems.
Deep dive into public/private key cryptography, how signing payloads works, JWKS (JSON Web Key Sets), Message Level Encryption (MLE), and TLS internals — written for Java/Spring engineers.
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.
A beginner-friendly guide explaining Web Authentication, JWT, Bearer Tokens, Cookies, Access Tokens, CORS, CSRF, and the distinction between CSRF and CQRS.