Something similar happened to me on May 23rd, 2019 (three days ago) [0], where I ended up losing my Twitter account.
Essentially, my t-mobile mobile phone number was hijacked (despite I had a PIN, which the attacker didn't need - poor security practice by t-mobile), and after that they proceed to change the password of my Twitter account using the phone.
Thankfully I was close to a t-mobile shop in San Francisco, and ~40 minutes later I regained control of my SIM card. Nothing else has been affected so far.
FYI, T-mobile can't be sued for damage resulting from something like this. We have to "thank" judge Scalia for this.
As of now, Twitter is slowly responding to my issue, despite I had a few friends there try to help.
Essentially, my t-mobile mobile phone number was hijacked (despite I had a PIN, which the attacker didn't need - poor security practice by t-mobile), and after that they proceed to change the password of my Twitter account using the phone.
Thankfully I was close to a t-mobile shop in San Francisco, and ~40 minutes later I regained control of my SIM card. Nothing else has been affected so far.
FYI, T-mobile can't be sued for damage resulting from something like this. We have to "thank" judge Scalia for this.
As of now, Twitter is slowly responding to my issue, despite I had a few friends there try to help.
[0]: https://news.ycombinator.com/item?id=19998553