モバイルを用いる個人認証は既に限界かもしれない

下記の記事が出ている。

　Is Your Mobile Carrier Your Weakest Link?
　Krebs on Security: August 27, 2017
　https://krebsonsecurity.com/2017/08/is-your-mobile-carrier-your-weakest-link/

　Identity Thieves Hijack Cellphone Accounts to Go After Virtual Currency
　New York Times: August 21, 2017
　https://www.nytimes.com/2017/08/21/business/dealbook/phone-hack-bitcoin-virtual-currency.html

　Identity theft at epidemic levels, warns Cifas
　BBC: 23 August, 2017
　http://www.bbc.com/news/business-41011464