Princeton University study highlights privacy and security pitfalls associated with recycling mobile phone numbers. Nearly 66% of the recycled numbers that were sampled were found to be tied to previous owners’ online accounts at popular websites. T-Mobile has updated its “Change your phone number” support page. Verizon Wireless has made changes to its “Manage Verizon mobile service” page. But neither of the carriers appear to have made any concrete changes that make the attacks harder to pull off. An estimated 35 million phone numbers are disconnected each year in the U.S.
Source: https://thehackernews.com/2021/05/new-study-warns-of-security-threats.html