FT Professional Glossary

Trojan horse

A person or thing that is used to trick an enemy in order to achieve a secret purpose.
A computer program that seems to be helpful but that is, in fact, designed to destroy data, etc.

Example usage from an FT article:

It will pay the same fixed fee to Japan’s Shionogi for Cefiderocol, an innovative antibiotic that — Trojan horse-style — uses the bacteria’s own iron uptake system to gain
cell entry.

Excerpt from "Antibiotics: new incentives needed to fight superbugs"

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