Perlindungan Hukum Terhadap Nasabah Yang Telah Menutup Nomor Telepon Seluler Atas Terjadinya Fraud Mobile Banking Dengan Penyalahgunaan Data Security oleh Pihak Lain (Studi Kasus Putusan Nomor 419/PDT/2021/PT SBY) = Legal Protection of Mobile Banking Fraud Caused by the Misuse of Data Security by Other Parties for Customers Who Have Terminated Their Cellular Phone Numbers (Case Study Decision Number 419/PDT/2021/PT SBY)