Technology chiefs usually can find rogue internet connections by scanning dormitories for abnormal frequencies—a technique that can zero in on an unauthorized network within a few yards.
Students can dodge their campus’s IT authorities by turning off their dorm router when they’re done using the internet, eliminating the frequency that officials track down.
The University of Iowa conducted an IT security audit in August 2006 that found 80 rogue networks run by students and faculty members on campus, as first reported by the De Moines Register. The university used “sniffers” that searched for telltale signs of rogue connections and showed which computers they originated from.
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