https://www.bleepingcomputer.com/news/security/spain-dismantles-sim-swapping-group-who-emptied-bank-accounts/

Spanish National Police has arrested eight suspects allegedly part of a crime ring who drained bank accounts in a series of SIM swapping attacks.

They presumably spoofed the targets' bank in phishing messages via email, SMS, or direct messages on social media platforms, according to a press release published today.