ZenKey is a secure bridge between your users and the apps and services you provide. A joint undertaking between AT&T, Verizon, and T-Mobile, ZenKey leverages the encryption technologies of mobile phones and their networks. The platform packages multiple factors of authentication into a streamlined experience for app and website providers. Taking advantage of carriers' capabilities, ZenKey provides a simple, secure way to register, login, and use other functions. This results in a better user experience and a more secure link.