I think you are referring to an attack similar to this: https://media.ccc.de/v/33c3-7964-where_in_the_world_is_carmen_sandiego https://media.ccc.de/v/33c3-7964-

I think you are referring to an attack similar to this: https://media.ccc.de/v/33c3-7964-where_in_the_world_is_carmen_sandiego https://media.ccc.de/v/33c3-7964-where_in_the_world_is_carme..., I just linked this video in the article and not the complete attack vector.