Using Graph Database for Evidence Correlation on Android Smartphones

摘要

Nowadays, the smartphone has became the popular communication devices in everyday life. It is a main tool to facilitate the communication among people. Besides that, smartphone also save a persons activities which include many privacy information such as address book, sms messages, pictures, video, call logs, location logs, web browsing history, emails, and so much more. These documents represent the information about actions, activities or personal activities, and if there is enough lawful proof that person is guilty, that can be valuable as digital evidence in court. Therefore, mobile phone is also an important channel and analysis tool, investigate about content, data corellation which is saved in the smaxtphone is a valuable tool for investigator to obtain evidence from them. This paper presents the methods and technologies are used to obtain evidence from Android Smartphones. In addition, we are also point out the difficulties in both legal and technical aspects of the digital evidence obtaining from these kind of smartphones.