Twitter announces that 'SMS notification service' will end in almost all countries

Twitter suddenly announced that it has terminated the service to notify new tweets by SMS (short message service) of mobile phones in almost all countries. As a reason for the termination of the service, Twitter said, 'There was a vulnerability in the SMS notification service, and there was a possibility that anyone other than the account owner could tweet.'

We've now turned this feature back on for a few locations that depend on SMS to Tweet.It remains turned off for the rest of the world.

— Twitter Support (@TwitterSupport) September 5, 2019

Confirmed: Twitter Kills Off SMS Notifications & Posting In Most Countries And Deletes SMS Followers Without Providing Any Warning-DansDeals.com
https://www.dansdeals.com/more/site-announcements/twitter-kills-off-sms-notifications-posting-countries-deletes-sms-followers-without-providing-warning/

If you register your mobile phone number on Twitter, you can notify SMS when a reply or direct message comes in.

Notifications delivered as short mail
https://help.twitter.com/ja/managing-your-account#username-email-and-phone

Initially, Twitter is supposed to tweet and receive notifications via SMS, and the limitation of 140 characters on Twitter is adjusted according to the size of mobile phone text messages. It was because

However, it is known that the use of Twitter via SMS is vulnerable, and in August 2019, the account of Twitter CEO Jack Dorsey was hijacked by a hacking group and tweeted a discriminatory message Occurs. To that end, Twitter has eliminated the ability to tweet via SMS.

Twitter CEO Jack Dorsey's Twitter account is hacked-GIGAZINE

And DansDeals, an online shopping information site, reported that Twitter's SMS notification service ended on April 23, 2020 without prior notice. Dans Deals claims it has dropped about 8,000 followers on its official Twitter account because the followers that it set to send SMS notifications on official Twitter accounts have been removed.

There was no announcement from Twitter official about the end of SMS notification service, but officially announced on April 27, 2020 after DansDeal reported that the SMS notification service was terminated. A Twitter spokesman said that Twitter's SMS notification service termination was meant to help 'keep users secure in their accounts' and said, 'In some countries that rely on Twitter, Except, I turned off Twitte's service that works with SMS. ' It seems that SMS will be used on Twitter only when sending a code for 2-step verification.

We want to continue to help keep your account safe.We've seen vulnerabilities with SMS, so we've turned off our Twitter via SMS service, except for a few countries.

Everyone will still have access to important SMS messages needed to log in to and manage their accounts.

— Twitter Support (@TwitterSupport) April 27, 2020

DansDeal sees the elimination of SMS features on Twitter as 'to cut costs,' and said, 'Of course you can like Twitter, but the worst thing is that the service will be discontinued. I didn't even warn, the people who were using the service couldn't find an alternative, 'criticized Twitter.