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Mar 4, 2019 ... Contact details supplied by users to enable two-factor authentication led to reduced privacy.


Apr 6, 2021 ... The website "Have I been pwned" added an update so people can see if their number was leaked. 10 Things in Tech: Get the latest tech trends & ...


Sep 27, 2018 ... Add “a phone number I never gave Facebook for targeted advertising” to the list ... (2FA) phone numbers, and “shadow” contact information.