Methods, apparatuses, and computer program products are provided in order to protect user information by applying fingerprint signature authentication to a webpage being accessed by user. A method is provided comprising generating a user fingerprint signature in accordance with a user's local cookie information of a current website and original URLs of all webpages of the current web site related to the user to generate encrypted URLs of all webpages of the current website related to the user and having the generated user fingerprint signature; and in response to an access request to the encrypted URLs by the user, verifying the user, wherein verifying the user comprises determining based, at least in part, on the generated user fingerprint signature, whether the user has authority to access the encrypted URLs. A corresponding apparatus and computer program product are also provided.