Studying Security Weaknesses of Android System

As smartphones are generalized, various technologies and services have been introduced and are in wide use. From simply using calling or texting services, Internet banking and transaction system that require sensitive personal information emerged. Google’s Android, one of the representative OS of smartphones, was developed based on an open source, having various weaknesses and exposed to security threats. In this paper, we study the types and characteristics of these weaknesses as well as the risk elements, introducing a safer usage of smartphones.