디지털 포렌식 관점에서의 인스타그램 사용자 행위 분석

Instagram is a Social Network Service(SNS) that has recently become popular among people of all ages and it makespeople to construct social relations and share hobbies, daily routines, and useful information. However, since the uploadedinformation can be accessed by arbitrary users and it is easily shared with others, frauds, stalking, misrepresentation,impersonation, an infringement of copyright and malware distribution are reported. For this reason, it is necessary to analyzeInstagram from a view of digital forensics but the research involved is very insufficient. So in this paper, We performedreverse engineering and dynamic analysis of Instagram from a view of digital forensics in the Android environment. As aresult, we checked three database files that contain user behavior analysis data such as chat content, chat targets, postedphotos, and cookie information. And we found the path to save 4 files and the xml file to save various data. Also wepropose ways to use the above results in digital forensics.