Modern cities have embarked on a path toward becoming ``smarter’’ in order to maintain their economic growth and provide improved and more efficient civic infrastructure to their residents and businesses. Such cities allow easy access to data and information and make extensive use of computing and information technologies in the operation of their physical infrastructure as well as social services, and in their economy and industries. The efficiency and convenience brought about by these applications also come with unintended consequences. Much of the data collected by sensors and actuators in smart city applications contains sensitive data that can leak private information about individuals and organizations. This talk will explore some of the unintended privacy concerns that stem from the use of data collection and exploitation in smart cities. We will also explore how adversaries target smart city applications to extract sensitive information. The talk will conclude with a discussion on possible solutions for privacy, as well as the need for technological and policy-related frameworks for privacy.