Authentication & Authorization at Scale — Roadmap Step & Resources
OAuth2, SSO and token-based auth across many services
- Level: advanced
- Estimated time: 1 days
- Roadmap: System Design
Interview questions
- How does SSO work across multiple independent services?
Study resources
- OAuth 2.0 and OpenID Connect In Plain English (Video) — OktaDev's well-regarded, plain-English explanation of authentication at scale.
- An Introduction to OAuth 2 (Article) — DigitalOcean's widely-cited, clear introduction to how OAuth 2.0 works across services.
Part of
- Security at Scale — section
- System Design roadmap — the full learning path