What is a Trojan Horse?

What is a Trojan Horse?
What is a Trojan Horse I hear you ask, well let me take you back in time to the days of the trojan war where the Greeks and trojans fought for the city of Troy. After lots of failed attempts by the Greeks to take over the city, a Greek king decided it might be a good idea to build a huge wooden horse big enough for a group of soldiers to hide in. The Greek army then appeared to surrender and retreat leaving a horse as a gift for the ...