Browse the notebook
mobile security
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DPoP Explained: Securing OAuth 2.0 Tokens, Step by Step
Maya’s photo-printing story continues with DPoP. Follow how OAuth 2.0 tokens become bound to an app-held key, why a copied token fails, and where…
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PKCE Flow Explained: OAuth 2.0 Step by Step
Follow Maya’s printing app through the PKCE flow in OAuth 2.0. An interactive story shows why a copied authorization code is not enough—and why…
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SSL Pinning Explained: How Certificate and Public Key Pinning Work
Learn how SSL pinning works through a simple attack story, with Android and iOS guidance, certificate renewal, benefits, and risks.