Part 1 · Module 29

Security basics

Core security patterns for system design: authentication mechanisms, fine-grained authorization, encryption with secrets, and API defense against abuse.

Start

0 of 4 lessons21 min

29.1Authentication sessions, JWT and OAuthUp next5m
29.2Authorization with RBAC, ABAC and relationship models5m
29.3TLS and secrets management6m
29.4Protecting APIs from abuse5m
LabLock down TiffinFinish “Why is checkout slow?” first30m

Practice what this module teaches

Authentication Session Service HLDManage device sessions, refresh-token rotation and bounded revocation delays.Advanced55 min Relationship-based Authorization Service HLDEvaluate bounded relationship graphs with revision-aware caching and revocation semantics.Advanced60 min Secret Distribution Service

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