Smartphone Security (IMAGE) Rutgers University Caption Doodling to log in to smartphones is faster, easier to remember and harder to hack than using text and PIN passwords, a Rutgers University study finds. Credit Cameron Bowman/Rutgers University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.