----- 40%Off for more than 500 pcs ----- By adding an eSecu FIDO hardware key FD203 for user login on smartphones over Near Field Communication (NFC) or Bluetooth Low Energy (BLE), the online cloud services significantly increase the security of the existing password infrastructure. Since users manage his/her own key and registered device, nobody can log in to Cloud services either without the key or via the other’s devices. The users are protected from their account information stolen by phishing, hacking, viruses. Simply tapping on a button, the users can easily authenticate to all their U2F-enabled services and applications such as Google, Facebook, Twitter, GitHub with a single device.