Behind the scenes, the process is a calculated technical maneuver. When a scammer attempts to register your phone number on their device, WhatsApp’s security system triggers a one-time six-digit verification code sent via SMS to the legitimate owner. Once that code is shared, the hacker logs in, instantly locking the original user out. This begins a "domino effect" where the scammer impersonates the victim to solicit emergency funds, promote fraudulent investment schemes, or