Forensic analysis of Nucleus RTOS on MTK smartwatches

Abstract Embedded personal devices as smartwatches can be a valuable source of information for the investigation of criminal acts, as they can store contact data, call records, instant messages, multimedia files and so, without requiring access to the connected smartphone. This paper presents the acquisition and forensic analysis done on different non-android smartwatches equipped with a low-cost MTK chip. In this article, we will present the results of a complete study about the information contained in these smartwatch models, showing those artifacts that could be stored inside and might be critical in the investigation of a criminal act.