Explore a conference talk on VoiceLive, an innovative phoneme localization-based liveness detection system for voice authentication on smartphones. Delve into the challenges of voice spoofing attacks and discover how this novel approach leverages human speech system characteristics and phoneme segmentation to enhance security. Learn about the system's architecture, attack models, and experimental methodology, including data collection and attack design. Examine the overall performance and robustness of VoiceLive against phone displacement, gaining insights into cutting-edge mobile security solutions presented at the 23rd ACM Conference on Computer and Communications Security.