I logged into Shaanxi Credit Cooperatives app before, and there was no text message. Now I suddenly have it.

Reason: There was no SMS verification before logging in to Shaanxi Credit Cooperatives app, and now the reason for the sudden SMS verification may be due to security considerations. SMS authentication is a common way of identity authentication. By sending the verification code to the registered mobile phone number, it can be guaranteed that the legitimate user who owns the mobile phone number is logged in, and the security of the account is improved.

Expansion: SMS authentication, as a common authentication method, is not only widely used in financial fields such as banks and payment platforms, but also popularized in other fields. The advantage of SMS verification is that it is simple and easy to use, and no additional hardware equipment is needed, only a registered mobile phone number is needed for verification. However, with the increasing network security threats, SMS authentication also faces some security risks, such as SIM card being hijacked and SMS being intercepted. Therefore, some applications and platforms are exploring more secure and reliable authentication methods, such as using two-factor authentication, fingerprint recognition, facial recognition and other technologies to improve the security of accounts.

In short, the reason why SMS authentication suddenly appeared in Shaanxi Credit Cooperatives app may be to strengthen the security of accounts and ensure the authenticity and security of user identities. At the same time, we should also pay attention to the development of new authentication technology and choose a safer and more reliable way to protect personal information and account security.