An alarming study at Princeton University shows that the five largest U.S. cell carriers are failing to protect customers against SIM card-swap attacks.
The researchers were successful in persuading the carriers in assigning new phone numbers to new SIM cards without correctly answering any of the standard security questions.
To learn more, KCBS Radio News anchors Stan Bunger and Susan Leigh Taylor spoke with Kevin Lee, PhD, the study's co-author and Student at Princeton University's Center for Information Technology.