Network Security Block That Filters Web Content
Puzzle 18 of TV Journalists Pack
Question is: Network Security Block That Filters Web Content
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.
Definition source: Wiktionary (CC BY-SA 4.0)