Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased.
Multifactor authentication requires using two or more factors to achieve authentication.
Fixtext:
Add or update "pam_pkcs11.so" in "/etc/pam.d/common-auth" to match the following line:
auth [success=2 default=ignore] pam_pkcs11.so
Set the sshd option "Pub ...