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Why Do Companies Not Use Existing 2FA Standards? (lemm.ee)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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This is something I am seeing more and more of. As companies start to either offer or require 2FA for accounts, they don't follow the common standards or even offer any sort of options. One thing that drives me nuts is when they don't offer TOTP as an option. It seems like many companies either use text messages to send a code or use some built in method of authorizing a sign in from a mobile device app.

What are your thoughts on why they want to take the time to maintain this extra feature in an app when you could have just implemented a TOTP method that probably can be imported as an existing library with much less effort?

Are they assuming that people are too dumb to understand TOTP? Are they wanting phone numbers from people? Is it to force people to install their apps?

*edit: I also really want to know what not at least give people the option to choose something like TOTP. They can still offer mobile app verification, SMS, email, carrier pigeon, etc for other options but at least give the user a choice of something besides an insecure method like SMS.

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[–] lustrum 6 points 1 year ago* (last edited 1 year ago) (2 children)

Mobile apps can suck a fart. I hate installing apps when the browser works perfectly fine.

SMS is way less secure but it is convenient for the masses to get your grandma easily using 2FA without any apps or more complex setup. It also doesn't require internet like an app would.

I personally use Fido2/uauth > TOTP > Email > SMS.

[–] sugar_in_your_tea 1 points 1 year ago (1 children)

I haven't found a single site that I actually use that offers real FIDO2. Those that offer it fall back to SMS, which essentially means it's just SMS 2FA.

[–] lustrum 1 points 1 year ago

Kind of.