Pacemakers and Implantable Cardiac Defibrillators: Software Radio Attacks and Zero-Power Defenses. This paper is a study regarding wireless technology in implantable cardioverter defibrillators (ICDs) being susceptible to hack attacks.
You can download it from the following link: https://packetstormsecurity.com/files/download/64399/icd-study.pdf
Source: https://packetstormsecurity.com/files/64399/icd-study.pdf.html