Twitter transgression proves why its flawed 2FA system is such a privacy trap

Found 140 days ago at Arstechnica

If ever there was a surefire way to sour users against a two factor authentication system that was already highly flawed, Twitter has found it. On Tuesday, the social media site said that it used phone numbers and email addresses provided for 2FA protection to tailor ads to users. Twitter requires users to provide a valid phone number to be eligible for 2FA protection. A working cell phone number...

Read the article at Arstechnica

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