The handling of biometric data, in many countries, is illegal and prohibited. But there are companies like RecFaces that have been realized biometric projects world-wide. Biometrics is incredibly reliable, and allows for better security standards in the companys facilities. Technology companies use it, for example, to protect the servers where the personal data of their users are located. It all depends on the type of regulation that is done in each country and the quality of the supervision.”]
Source: https://gbhackers.com/biometrics-a-security-advancement-or-a-potential-hazard/