Securing ASP.NET Core with OAuth2 and OpenID Connect
OAuth2 and OpenID Connect breaches dominate headlines—and your API surface is likely exposed right now. This course teaches you to implement production-grade authentication that Fortune 500 teams rely on, moving beyond basic token handling to architectural security patterns that actually prevent compromise.
AIU.ac Verdict: Essential for backend engineers and architects building secure APIs or integrating third-party identity providers; you’ll ship defensible authentication code immediately. The 10.5-hour investment assumes prior ASP.NET Core familiarity—pure beginners should pair this with foundational web security first.
What This Course Covers
You’ll work through OAuth2 grant flows (authorisation code, client credentials, refresh tokens) and OpenID Connect layering, then implement them in live ASP.NET Core projects. Dockx covers token validation, scope management, hybrid flows for SPAs, and common pitfalls like token storage and CORS misconfiguration that leave systems vulnerable.
The course emphasises practical architecture: securing APIs with bearer tokens, integrating identity servers (IdentityServer4), handling token expiry gracefully, and designing permission models that scale. Labs use sandboxed environments so you test real attack scenarios without risk.
Who Is This Course For?
Ideal for:
- Backend engineers building APIs: You need OAuth2/OIDC implementation patterns that pass security audits and handle real-world token lifecycle challenges.
- Solutions architects designing identity layers: Learn how to architect multi-tenant or federated authentication systems that integrate legacy and modern services securely.
- Security-conscious .NET teams: Move beyond framework defaults to understand threat models and defensive coding practices specific to ASP.NET Core.
May not suit:
- ASP.NET Core beginners: You’ll struggle without solid grasp of middleware, dependency injection, and HTTP fundamentals; start with ASP.NET Core essentials first.
- Frontend-only developers: This is backend-focused; if you’re purely client-side, consider OAuth2 consumer patterns instead of provider implementation.
Frequently Asked Questions
How long does Securing ASP.NET Core with OAuth2 and OpenID Connect take?
10 hours 37 minutes of video content. Most learners complete it over 2–3 weeks with hands-on labs; budget extra time if you’re new to identity concepts.
Do I need IdentityServer4 experience before starting?
No—Dockx teaches identity server integration from scratch. You’ll understand when and why to use it, not just how to configure it.
Will this cover token refresh and expiry handling?
Yes. Token lifecycle management, silent refresh patterns, and handling expired credentials in production scenarios are core topics.
Can I use this knowledge with other identity providers (Auth0, Azure AD)?
Absolutely. The OAuth2 and OpenID Connect principles apply across providers; you’ll understand the standards, not just one vendor’s implementation.
Course by Kevin Dockx on Pluralsight. Duration: 10h 37m. Last verified by AIU.ac: March 2026.
