The Greek poet Homer wrote about Troy and the Trojan War—which probably took place in what is now Asia Minor—in his Iliad in the 8th century B.C. Nowadays, the term ‘Trojan’ generally refers to a malware program that is used to gain unauthorised access to computers. This use comes from the legendary Trojan Horse, which saw the turning point in the battle between Greeks and Trojans through the cunning of Odysseus. Let us return to the beginning of the story:

Paris, son of the king of Troy, is ta...