A mobile app penetration test (also known as mobile application security audit or mobile application penetration test) is an intensive, unprivileged and privileged manual search for vulnerabilities in the operating system, in the basic services and in the application on a mobile device. In a mobile app security audit mobile applications for smartphones and tablets on various platforms such as Android, iOS, Windows Phone or BlackBerry OS among other things are tested according to the «OWASP Mobile Top 10» (version 2014) vulnerabilities.