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.
Security patterns for REST and GraphQL APIs — input validation, mass assignment prevention, API keys, rate limiting, MLE for APIs, request signing, GraphQL security, and OWASP API Top 10.