Why Behavioral Biometrics Is The Best Second-Line Defense Behavioral biometrics are best used as an additional component in a larger, comprehensive authentication system. June 29, 2018 HQuality / Shutterstock.com by Sarah Landes | Biometric Authentication Every 39 seconds there’s an attack on a device with internet access. Nine billion stolen credentials since 2013. One in nine online accounts created in 2017 was created with stolen credentials. The reason: Over-reliance on t