Analysis whatsapp forensic and visualization in android smartphone with support vector machine (SVM) Method

Abstract

In this paper we discuss about the pattern of data WhatsApp application in the form of text, image, and sound. This application is widely used as a media to deliver and exchange information, so this is also open opportunity to commit crimes through this media. In this research, we focus on forensic and create visual about patterns data from WhatsApp in form of text, image, audio and video. In this study, 288 instances have been examined using 9 features. The feature that characterizes any personal data in the selected data has not been used. From the results, we get by a reading database which stored on the client smartphone is obtained results of the conversation time, client contact number, key and message types between client applications use WhatsApp. Receiver Operating Characteristic (ROC) curves was also presented for each of the classes.