“Security gap in application discovered, update urgently recommended. Alerts like that can confront us every week. Often, a comprehensive update that addresses teething troubles is already offered when a new programme is launched. This creates manifold problems, and public entities as well as businesses are often exposed to attacks by hackers. Software is used in a growing number of sensitive areas where a computer failure might even be life threatening. It has to be noted that not all fields are affected in the same way, many computer systems run as unfailingly as the proverbial Swiss clockwork. While hardware is usually very reliable, it is the software component that may create problems.”