Patent ID: 8631467

Claim:
A system comprising: at least one processor coupled to a memory; a challenge image module to generate, using the at least one processor, a visual challenge to be presented to a user as part of a challenge-response to verify that the user is human; a background image module to identify, using the at least one processor, a contextual background that is contextual to a specific environment associated with a service provider of a service for which the challenge-response is to be presented, the contextual background including multiple presentations of an environment identifier that comprises a symbol identifying the service provider the background image module further to select at least one of random sizes for the multiple presentations of the environment identifier, random locations for the multiple presentations of the environment identifier, and random orientations for the multiple presentations of the environment identifier; and a combiner image module to combine, using the at least one processor, the visual challenge and the contextual background into an image which is to be presented to the user in the specific environment, the contextual background associating the visual challenge with the specific environment.