Biometrics | Homeland Security

biometrics.gov

Biometrics are unique physical characteristics, such as fingerprints, that can be used for automated recognition. At the Department of Homeland Security, biometrics are used to detect and prevent illegal entry into the U.S., grant and administer proper immigration benefits, vetting and credentialing, facilitating legitimate travel and trade, enforcing federal laws, and enabling verification for visa applications to the U.S.