A System That Protects Internal Computer Networks

This page is the CodyCross answer for the clue below from Spa Time, Group 811, Puzzle 5 (Hydrating Serum).

Question is: A System That Protects Internal Computer Networks

and the answer is: FIREWALL

Word Meaning:

FIREWALL — (architecture) A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.

Definitions from Wiktionary.

A System That Protects Internal Computer Networks - Spa Time CodyCross Answers | CodyCross Solutions