Perhaps the best general word for "network" or "web" is simply rete. One option is to use the word tela (a spider's web), but I prefer interrete because the prefix reminds of the same word in other languages, whereas tela can be harder to grasp if you have never heard it before.
What is the Latin word for web?
Etymology. From Latin tēla (“web; loom”).
What is the Latin word for network?
noun. reticulum [reticuli] ▼ (2nd) N. noun.
What is Ninja in Latin?
A Roman probably just would have referred to a ninja as an explorator, which means "spy" or "scout". If ninja is translated as explorator, then ninjutsu could be translated as ars explorandi.