Brian Krebs reports: “T-Mobile, AT&T and other mobile carriers are reminding customers to take advantage of free services that can block identity thieves from easily “porting” your mobile number out to another provider, which allows crooks to intercept your calls and messages while your phone goes dark. Tips for minimizing the risk of number porting fraud are available below for customers of all four major mobile providers, including Sprint and Verizon.”
https://krebsonsecurity.com/2018/02/how-to-fight-mobile-number-port-out-scams/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+KrebsOnSecurity+%28Krebs+on+Security%29&utm_content=FeedBurner