In methods and a device for mitigating against cyber-attack on a network, a distributed intermediary device is placed into a network between computers or network nodes of the network to mitigate cyber-attacks between the computers or nodes of a network from remote systems. Drop-on-demand systems are used in some embodiments to fabricate various electronic structures including conductors, capacitors, FETs. The current directory data includes a file name, a created date, a modified date and a file size for files included in the directory.