Biometrics vs passwords
Are behavioral biometrics likely to replace passwords?
Behavioral biometrics offer a promising and innovative layer of security by continuously analyzing user behavior, but they are more likely to complement rather than completely replace passwords in an average organization. While these systems can provide a frictionless and continuous authentication experience, they also face challenges such as variability in individual behavior, false positives and potential privacy concerns.
As a result, most organizations are likely to adopt behavioral biometrics as part of a multi-factor authentication framework — adding an extra layer of security alongside more traditional credentials like passwords — rather than as a standalone solution. For example, NatWest Bank use it as a background measure in conjunction with usual best authentication practices.
Transitioning entirely away from passwords would require significant investments in technology, comprehensive data collection and robust machine learning models that are continuously updated to accurately reflect changes in user behavior. For many organizations, especially those with limited resources or complex environments, integrating behavioral biometrics as a risk-based authentication measure makes more sense, enhancing security without the wholesale replacement of proven methods like passwords.
Why it’s still important to protect passwords
Protecting passwords remains crucial even in a multi-factor authentication environment because they continue to serve as a foundational layer in many security systems. They are often the first line of defense and are still used for initial logins, account recovery and fallback authentication when other methods — like behavioral biometrics — may not be available. If passwords are compromised, attackers can potentially gain access to systems, bypassing additional security layers and exposing sensitive data.
The problem passwords are frequently reused across multiple platforms, making them a high-value target for attackers. A breach in one area can lead to a domino effect, compromising not only a single system but potentially multiple accounts and networks. Thus, protecting passwords through strong policies, regular updates, encryption and complementary security measures is essential to maintaining a robust, multi-layered defense strategy in any organization.