Wifi Hacking Problem

One of my friends experienced fraud recently.  There is a rash of fraud involving debit cards at the university.  I read in the newspaper this morning about a new free app that cybercriminals are using to hack debit cards.  You can read more about the problem at http://www.indianexpress.com/news/new-hacking-tools-pose-bigger-threats-to-wifi-users/752559/