As smartphones continue to develop in popularity, with companies advancing device features and functionality at every turn, privacy and security remain a top concern for users. As much as consumers demand privacy from phone companies and service providers, policymakers must continue to expand their commitment to technological and social features that protect users from data breaches in their day-to-day lives. No matter how much we try to prevent data from landing in the wrong hands, we leave behind a trail of “digital breadcrumbs” that contain valuable and vulnerable information that companies and individuals can use in ways unapproved by us. While some of the data left in our digital trail are beneficial for understanding things like humanitarian issues, electronic data also contains sensitive information regarding our geo-location, finances, and social life. In the following article, we discuss how policymakers and consumers are moving forward in the digital age and how we must continue to keep smartphone users safe from financial, social, and physical harm. Who’s Responsible for Mobile Data Security? Privacy issues are complex in any aspect, but they become increasingly complicated within the smartphone landscape. Compared to older technologies such as computers, mobile phones are a new technology that continue to evolve in terms of potential uses, functionality, and mobile platforms, which begs the question - who’s responsible for user privacy of smartphones?  While it would be nice to lay the responsibility on one individual group or organization, the reality is that multiple players can potentially leave users’ data vulnerable. These players include: Mobile Carriers Mobile Device Manufacturers Mobile App Developers Mobile SDK Developers Mobile App Platforms Other Third-Party Individuals and Organizations While numerous parties are collectively responsible for mobile data security, US regulators have spoken up, pinning mobile app developers as the primary p