Authentication is required to access the PC/SC daemon

The PC/SC daemon is a daemon program for smart card authentication. This daemon is unnecessary if you are not utilizing a smart card authentication system.

Disable this server if you are not utilizing a smart card authentication system.

# systemctl disable pcscd; systemctl stop pcscd

Further Information: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux_for_real_time/7/html/tuning_guide/the_pc_card_daemon