Study finds five major US carriers vulnerable to SIM-swapping tactics 
A Princeton study (PDF) has discovered that five US prepaid carriers use authentication techniques that are vulnerable to SIM-swapping tactics. The researchers signed up for 10 prepaid accounts each on AT&T, T-Mobile, Tracfone, US Mobile and Veri…
A Princeton study (PDF) has discovered that five US prepaid carriers use authentication techniques that are vulnerable to SIM-swapping tactics. The researchers signed up for 10 prepaid accounts each on AT&T, T-Mobile, Tracfone, US Mobile and Veri…
URL: https://www.engadget.com/2020/01/12/princeton-study-sim-swap/