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A comment on Tell HN: SMS-based two-factor authentication is not secure. Parent comment

Re:Tell HN: SMS-based two-factor authentication is not secure by j45 on Wednesday June 09, 2021 @09:53AM (#27447818)
SMS will remain vulnerable as long as the mobile accounts that hold them upstream remain vulnerable.

One option I’ve heard might be different is to not your your mobile sms on accounts, but to get a voip based sms number. It might leave things at the mercy of a different system but the footprint might be different.

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Re:Tell HN: SMS-based two-factor authentication is not secure by LinuxBender on Wednesday June 09, 2021 @10:20AM (#27448173)
I've tried this, but many companies block VoIP numbers for MFA/2FA. Some don't. This works with LinkedIn, but not any companies I have purchased things from.
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