Thisampampnbspbook is open access.ampampnbspThis book undertakes a multifaceted and integrated examination of biometric identification including the current state of the technology how it is being used the key ethical issues and the implications for law and regulation. The five chapters examine the main forms of contemporary biometricsfingerprint recognition facial recognition and DNA identification as well the integration of biometric data with other forms of personal data analyses key ethical concepts in play including privacy individual autonomy collective responsibility and joint ownership rights and proposes a raft of principles to guide the regulation of biometrics in liberal democracies.Biometric identification technology is developing rapidly and being implemented more widely along with other forms of information technology. As products services and communication moves online digital identity and security is becoming more important.