The use of biometric technologies in ensuring critical infrastructure security: the context of protecting personal data

. The article examines aspects of the use of biometric technologies and the protection of personal data as it relates to the protection of critical infrastructure in the state. The use of biometric technologies for the protection of critical infrastructure is examined in this article through employee identification to establish the identity of employees unequivocally, for example, when entering such infrastructure facilities. The EU General Data Protection Regulation (GDPR) sets specific conditions for processing biometric data. Still, the relevant data controllers often have problems finding the appropriate basis for processing, especially in the context of GDPR Article 9. The authors, having examined the conditions for the processing of biometric data, propose introducing a particular legal framework for the processing of biometric data as far as it relates to the protection of critical infrastructure.