Computer science researchers have demonstrated for the first time how a digital virus can go airborne and spread via WiFi networks in populated areas at the same pace as a human diseases. The “Chameleon” virus, designed by a University of Liverpool team, showed a remarkable amount of intelligence by avoiding detection and breaking into personal and business WiFi networks at their weakest points — spreading at an alarming rate. Network Security Professor Alan Marshall said the virus doesn’t try to damage or disrupt established networks — instead, the virus slips in unnoticed to collect the data and log-in information of...