WiKID Strong Authentication System by WiKID Systems is a two-factor authentication solution designed for organizations seeking a reliable, scalable, on-premises, secure authentication system. It uses public key encryption for secure one-time passcodes without storing seeds, enhancing two-factor authentication security. The system is available as a Linux package for RedHat, Centos, Fedora & Ubuntu, an ISO for virtual appliances or bare metal, and a Virtualbox image.