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Android applications pose many security risks that affect the security and privacy of their users. Adversaries construct different types' Android applications pose many security risks that affect the security and privacy of their users. Adversaries construct different types of malicious applications and use different social engineering approaches to attract users to download and trust these applications. Malicious applications usually request permissions that are not related to their main functionality in order to access sensitive information or resources. Most of users attempt to grant the requested permissions without understanding the potential harm of those applications and how the requested permissions can be misused to disclose their privacy. Therefore, there is a need for a risk assessment model which can intimate the users about the risk level of permissions requested by an application in order to assist users to make …