A medical device hijack (also called medjack) is a type of cyber attack. The weakness they target are the medical devices of a hospital. This was covered extensively in the press in 2015 and in 2016. Medical device hijacking received additional attention in 2017. This was both a function of an increase in identified attacks globally and research released early in the year. These attacks endanger patients by allowing hackers to alter the functionality of critical devices such as implants, exposing a patient's medical history, and potentially granting access to the prescription infrastructure of many institutions for illicit activities. MEDJACK.3 seems to have additional sophistication and is designed to not reveal itself as it searches for older, more vulnerable operating systems only found