It's costing Twitter too much to send the codes via SMS allegedly so the're turning it off.
I doubt it's saves a huge amount but it's another step to bankruptcy.
@simonzerafa @mshelton Not wanting to be a Twitter apologist, but from https://blog.twitter.com/en_us/topics/product/2023/an-update-on-two-factor-authentication-using-sms-on-twitter:
unfortunately we have seen phone-number based 2FA be used - and abused - by bad actors.
They do state they are removing phone 2FA because it poses security issues.
@sfwrtr @simonzerafa @mshelton That’s an utter falsehood on their part. If that were their motivation, they’d remove SMS 2FA entirely rather than restrict to paid accounts.
In reality, humans dislike TOTP 2FA and prefer SMS codes for lots of reasons. So they’re making the less secure, but preferred, option s premium feature.
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