Patent ID: 7712141
Filing Date: 2010-05-04
Classification: G06Q,H04L

Abstract:
1. A method, performed by a server including one or more computers on a network, comprising: receiving, by the server, an advertisement query request for an advertising link; obtaining, by the server, and in response to the advertisement query request, a first group of information related to at least one of: a browser associated with a client device, a client device to which the advertising link is to be provided, or a user to which the advertising link is to be provided, where the first group of information is obtained before the server receives an indication that the advertising link has been selected; receiving, by the server, the indication that the advertising link has been selected; obtaining, by the server, and in response to the receiving the indication, a second group of information related to at least one of: a browser associated with a client device, a client device to which the advertising link is to be provided, or a user to which the advertising link is to be provided; and determining a presence of illegitimate activity based on a comparison of the first group of information and the second group of information.