Credible resource based method and device for protecting bank user information

The invention provides a credible resource based method for protecting bank user information. The method includes obtaining a user card number from a page browsed by the user; determining the bank identification code for the card number of the user; determining the bank identification information about the card number of the user based on the bank identification code for the card number of the user; and prompting the user about information of the current operation based on the bank identification code for the card number of the user and the page browsed by the user.