SMS

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SMS, t(e)xt messaging, or t(e)xting is a highly insecure way to send short text messages to or from a cell phone, also often used as a second factor for TFA, or worse, password reset or login (which has resulted in account hijackings), and even misguidedly encouraged for such uses like in iOS version 10+, Twitter, Facebook, and other software or services that nag you to associate an SMS phone number with your account on their systems.

MMS is used for sending media such as photos in otherwise "text" messages.

Contents

Criticism

Insecure Account Recovery

Silo Examples

(need screenshots from the nag-ware screens from Apple (iOS 9+ nags you on first start, iOS 10+ nags you continuously in Settings app), Google, Facebook etc encouraging/defaulting you to add your cell phone number for auth / recovery reasons).

Also need screenshots from any services that when you add SMS as a second factor, they default to adding SMS as an account recovery method (1-factor), which actually makes your account *LESS SECURE* than if you would have never attempted to turn on 2FA in the first place.

Twitter

Twitter actually prompts you to add a phone number to your account (if you don't already have one on it) with SMS password reset *as a feature*! They are literally prompting you to make your account *less* secure, while claiming the opposite. WTF.

2017-09-27-twitter-add-sms-pw-reset-prompt.png

Text of prompt reads (emphasis added):

Safeguard your account

Add your phone number now to help ensure that you can log in to Twitter, even if you lose your password


What the prompt really means:

Make your account vulnerable

Add your phone number now to help ensure that anyone pretending to be you to your phone company can log in to Twitter, even without your password

See Also

Retrieved from "https://indieweb.org/SMS"
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