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How about a simple out-of-band confirmation requirement for every account signup? “Thank you for registering. Please send an SMS to number XXX with code YYY to
by 2FA4spam 6y ago
How about a simple out-of-band confirmation requirement for every account signup?
“Thank you for registering. Please send an SMS to number XXX with code YYY to activate your account.”
Kind of like a reverse 2FA.
- mrweasel 6y agoI think that would kill signup rates, mostly because it's so different from other solutions, but damn is it an interesting approach. You may need to add something that prevents the same phone number from being used for multiple signups.
- ffpip 6y agoThat's a very interesting approach.
- imhoguy 6y agoNo way I am going to use it, even with some well known sites. Looks like scam.