Academics from Princeton found more than half the numbers they obtained could be linked to personal data about former users.
Princeton academics tested how little information was needed to persuade five US mobile telcos to execute a SIM swap.
The operators want to authenticate subscribers when they use online services provided by other businesses.
Ramon Batista admitted that his telco had cloned mobile phones and used the compromised accounts to make international calls, resulting in losses of almost USD800,000 for Sprint and Verizon.
Verizon’s purchase of a vehicle-tracking business shows how telco business models are evolving, and why assurance roles need to evolve as well.
Operators need to invest in network capex just to retain customers. To prevent declining margins, they also need to offer more services than before.
They say every cloud has a silver lining. Finding an upside to tropical storm Irene, which battered the East coast of the USA, may not…
This news story speaks for itself; see the video below. The real question: why do telcos keep getting bills so wrong?