Systems and methods are provided for locking/unlocking a user account for accessing a client application. The systems and methods pair a user account for accessing a client application to a separate user authentication account. The user authentication server managing the user authentication account provides heightened measures for authenticating the identity of the user, such as by voice samples and human authenticator. After the heightened authentication of the user, the user may lock or unlock paired accounts from the user authentication account, wherein preventing all attempts to access the client application using the paired account. The client application may also capture information regarding login attempts to the paired user account. The captured information may be sent to the authentication server for providing reports of login attempts and generating alerts to automatically lock the paired account in cases of suspicious behavior.