Video details

GOTO 2020 • How to Hack OAuth • Aaron Parecki


This presentation was recorded at GOTO Chicago 2020. #GOTOcon #GOTOchgo
Aaron Parecki - Senior Security Architect at Okta
ABSTRACT OAuth is the foundation of most of modern online security, used everywhere from signing in to mobile apps, to protecting your bank accounts. Despite its ubiquity, it is still often difficult to implement safely and securely, especially in today's landscape, which is dramatically different from the world of online security as it existed when OAuth was initially created. This talk will explore several real-world OAuth hacks that affected major providers like Twitter, Facebook and Google. I'll share the details of how each specific attack happened, as well as [...]
TIMECODES 00:00 Intro 00:40 What is OAuth? 03:06 How does OAuth work? 05:52 The hacks 07:48 PKCE - Proof-Key for Code Exchange 09:18 JWT - JSON Web Token 11:34 Attack on Google OAuth 14:56 Attack on Facebook's access tokens 18:01 Outro
Download slides and read the full abstract here: #OAuth #Security #Privacy #Programming #OAuthHacks #PKCE #JWT
Looking for a unique learning experience? Attend the next GOTO conference near you! Get your ticket at
SUBSCRIBE TO OUR CHANNEL - new videos posted almost daily.