Explore a conference talk presenting "Tap 'n Ghost," a novel attack targeting touchscreens of NFC-enabled mobile devices. Delve into two key attack techniques: "Tag-based Adaptive Ploy (TAP)" and "Ghost Touch Generator." Learn how TAP employs device fingerprinting to launch tailored attacks, such as displaying customized dialogue boxes for Bluetooth connections. Discover how Ghost Touch Generator manipulates touch inputs, potentially forcing unintended actions. Examine the attack's real-world feasibility through an online survey and user study results. Gain insights into potential countermeasures against Tap 'n Ghost threats, enhancing your understanding of smartphone security vulnerabilities and defense strategies.