The fundamental flaw with Federated Identity and SSO

Single Sign-On (SSO) Technology has gained quite some momentum in the last few years, despite an obvious flaw

An example of SSO on as implemented onEtsy.com
Medium’s sign in page offering a variety of choices of login services
A sample SSO sign in page linking Twitter and Medium

A Better Solution

Security Researcher | Tech Columnist | https://hey.ax

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