The game has most likely introduced a vulnerability to the smartphone. A vulnerability is a type of weakness or flaw in a system or a device, such as a smartphone, that can be exploited or leveraged by a threat or an attacker, to cause harm or damage to the system or the device, or to compromise the security, functionality, or usability of the system or the device. A vulnerability can be caused by various factors, such as the design, the configuration, the implementation, or the operation of the system or the device, or the software, the hardware, or the firmware that run on the system or the device. A game is a type of software application that can be installed or run on a system or a device, such as a smartphone, to provide entertainment, education, or simulation for the user or the player. A game can also introduce a vulnerability to the system or the device, if the game is not designed, developed, or tested properly or securely, or if the game requires or requests access to unnecessary or sensitive information or resources on the system or the device, such as the call logs, the SMS messaging, or the GPS location data. A game that introduces a vulnerability to the system or the device can expose the system or the device to potential attacks, such as unauthorized access, data leakage, or malware infection56. References: CISSP CBK, Fifth Edition, Chapter 3, page 228; CISSP Practice Exam – FREE 20 Questions and Answers, Question 14.