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Many MFA implementations will detect and disallow the use of VoIP numbers... for security reasons.
by NoZebra120vClip 3y ago
Many MFA implementations will detect and disallow the use of VoIP numbers... for security reasons.
- twodave 3y agoYep, and this is because sim-jacking is actually less profitable than just finding records of people’s _past_ phone numbers and signing up for a voip service that supports sms for that number. And many of the voip providers just don’t do any kind of fraud prevention. Source: I work at a place that is a natural target for this kind of thing.