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Spring Security 7 from the inside out. This book skips the introductions and dives straight into how the framework actually works. You will trace requests through the filter chain, customize every authentication flow Spring Security ships, and deploy production hardened systems backed by JWT, OAuth2, OIDC, SAML2, WebAuthn, and zero trust microservice patterns.

Built around CineTrack, a streaming platform with five services, every chapter ships working code that runs on Spring Boot 4 and Java 21. You will build a custom identity provider with Spring Authorization Server, wire up multi factor authentication and passkeys, secure reactive WebFlux services, and finish with observability, audit logging, and Vault backed secrets.

Written for engineers who already ship Spring Boot in production and want to understand the security layer at the level needed to debug it, extend it, and trust it.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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