Conflict Involving Greeks, a Woman and a Horse

This page is the CodyCross answer for the clue below from London, Group 487, Puzzle 4 (Beef Wellington).

Question is: Conflict Involving Greeks, a Woman and a Horse

and the answer is: TROJANWAR

Word Meaning:

TROJAN — (computing) Malware that appears to perform or actually performs a desired task for a user while performing a harmful task without the user's knowledge or consent.

Definitions from Wiktionary.