What are the privacy implications of using biometric authentication methods?

Biometric authentication systems pose privacy risks related to potential data breaches or unauthorized access to sensitive biometric data. Some common risks include improper storage of biometric templates, possibility of identity theft if biometric data is compromised, and concerns about the permanence of biometric identifiers once stolen. To address these risks, organizations can implement encryption techniques to secure biometric data, establish rigorous access controls, continuously monitor for any unauthorized activities, and comply with privacy regulations such as GDPR. Additionally, using biometric techniques that do not require storing the actual biometric data but rather a secure template or hash can help reduce risks associated with biometric authentication systems.