Global market for biometrics overall is growing nearly 20% annually and is on track to reach more than $10 billion by 2022. Some major brands including Bank of America, Cigna, Intuit, and T-Mobile have even begun to allow “biometric gesture”-based authentication on mobile phones, tablets, and PCs. Despite the “wow” factor, there are issues around both security and privacy, says author. The goal is to detect when the “user” of the phone (or PC) changes or is different from the one who authenticated at the start.”]
Source: https://www.darkreading.com/authentication/better-behavior-better-biometrics-