Google's Authenticator 2FA system is based on an open standard [1], and can even be implemented on your own/other web sites. Given the open nature of the stand

Google's Authenticator 2FA system is based on an open standard [1], and can even be implemented on your own/other web sites. Given the open nature of the standard, that can be considered an additional safeguard against NSA exposure. [1] http://en.wikipedia.org/wiki/Google_Authenticator http://en.wikipedia.org/wiki/Google_Authenticator