A system for automatic setting of system security comprises an input interface and a processor. The input interface is configured to receive an indication to set a secure mode. The processor is configured to: determine whether the indication to set the secure mode comprises an indication to set a certificate mode; in the event that the indication to set the secure mode comprises an indication to set a certificate mode: 1) detect one or more connected systems for which to set the certificate mode; 2) select one or more certificates for the certificate mode; 3) update initialization files for the certificate mode; and 4) reinitialize local and one or more connected systems.