SIM swappers have adapted their attacks to steal a target's phone number by porting it into a new eSIM card, a digital SIM stored in a rewritable chip present on many recent smartphone models. Embedded Subscriber Identity Modules (eSIMs) are digital cards stored on the chip of the mobile device and serve the same role and purpose as a physical SIM card but can be remotely reprogrammed and provisioned, deactivated, swapped, deleted. A user can typically add an eSIM to a device that supports the f...