For convenience purposes, modern pacemakers are programmed to receive commands wirelessly.  The commands are sent from medical staff through  a computer that is 30-50 feet from the pacemaker’s location.  Domingo Rivera of AVM Technology, LLC, appearing on NBC News 12 in Richmond, discussed a hacker’s ability to gain access to a pacemaker using the device’s serial number and model number, which the attacker can obtain by sending a probe to the pacemaker.  Our article discussing pacemaker hacking can be found here.  You can also watch the video of the TV interview below.