Twitter said on Friday that it will only allow paid customers to use text messages as a two-factor authentication (2FA) method to secure their accounts.
“After March 20th, only Twitter Blue subscribers will be able to use text messages as a two-factor authentication method,” the company tweeted.
Two-factor authentication requires the account holder to use a second authentication method in addition to a password, to make accounts more secure. Twitter allows 2FA via text message, app authentication, and a security key.
The company believes phone-number-based 2FA is being misused by “bad actors,” according to a Wednesday blog post linked to the company’s tweet.
Twitter owner Elon Musk tweeted “yup” in response to a user’s tweet that the company was changing policy “because telcos used bot accounts to pump 2FA SMS,” and called the company “on scam SMS”. 60 million per year was being lost.
Blue Check Mark, previously free for verified accounts of politicians, celebrities, journalists and other public figures, is now open to anyone willing to pay.
Last month, Twitter said it would keep the price of Twitter Blue subscriptions for Android at $11 a month, the same as for iOS subscribers.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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