Analyzing the Security of Smartphone Unlock PINs

Explore a comprehensive analysis of smartphone unlock PIN security in this 15-minute IEEE conference talk. Delve into the first extensive study comparing 4- and 6-digit PINs, examining their effectiveness against throttled attackers. Investigate the impact of blacklists on PIN selection and security, including those currently used by iOS. Discover surprising findings about the minimal security increase offered by 6-digit PINs and the limited benefits of small blacklists. Learn about the optimal balance between usability and security in PIN selection, and gain valuable insights into improving smartphone unlock security measures.