Abstract: A method and a device for information system access authentication are disclosed. The method includes: performing anonymous authentication to a random verification code generated according to a login request for accessing an information system of a client, and authenticating acquired user name and password information when the anonymous authentication is successful. The device includes an verification code authentication module and a user name and password authentication module connected to the verification code authentication module, wherein the verification code authentication module is configured to perform anonymous authentication to a random verification code generated according to a login request for accessing an information system of client; and the user name and password authentication module is configured to authenticate acquired user name and password information when the anonymous authentication is successful.

Abstract: A method is provided to improve authentication of a user to login with a client device to a computer system. A mobile device stores a list of Uniform Resource Locators (URLs), user names and passwords. The mobile device reads an authentication code displayed on a display of the client device to extract a URL and a session identifier (ID), searches a user name and a password associated with the URL in the list of URLs, user names and passwords, transmits the user name, the password, and the session ID to a gateway server when the user name and the password associated with the URL are found in the list, and authenticates the user to login to the computer system with the client device when the client device retrieves from the gateway server the user name and the password.

Abstract: A method and a device for information system access authentication are disclosed. The method includes: performing anonymous authentication to a random verification code generated according to a login request for accessing an information system of a client, and authenticating acquired user name and password information when the anonymous authentication is successful. The device includes an verification code authentication module and a user name and password authentication module connected to the verification code authentication module, wherein the verification code authentication module is configured to perform anonymous authentication to a random verification code generated according to a login request for accessing an information system of client; and the user name and password authentication module is configured to authenticate acquired user name and password information when the anonymous authentication is successful.