The scam is usually a phone call from a loved one in jail or the hospital. It immediately creates a sense of panic and fully explains the random phone number. The voice doesn't have to sound like you either.
This is where "security questions" can be useful; neither the question nor answer need to be real, and the more outrageous the better.
"You're my daughter? Then tell me the name of your twelth pet centipede."
This is where "security questions" can be useful; neither the question nor answer need to be real, and the more outrageous the better.
"You're my daughter? Then tell me the name of your twelth pet centipede."