Passwords, passcodes, swipe codes, user account credentials.Documents, spreadsheets, presentation files and other user-created data.To-do lists, notes, calendar entries, ringtones.Internet browsing history, content, cookies, search history, analytics information.Pictures, videos, and audio files and sometimes voicemail messages.SMS text, application based, and multimedia messaging content.Incoming, outgoing, missed call history.Information that resides on mobile devices (a non-exhaustive list): Being something like a digital extension of ourselves, these machines allow digital forensic investigators to glean a lot of information. Nowadays, mobile device use is as pervasive as it is helpful, especially in the context of digital forensics, because these small-sized machines amass huge quantities of data on a daily basis, which can be extracted to facilitate the investigation. In 2015, 377.9 million wireless subscriber connections of smartphones, tablets, and feature phones occurred in the United States. The proliferation of mobile technology is perhaps the main reason, or at least one of the main reasons, for these trends to occur in the first place. Mobile devices are right in the middle of three booming technological trends: Internet of Things, Cloud Computing, and Big Data.
