The malware ecosystem is thriving every passing day. In this age of digital technology, antivirus software plays a crucial role in defending the system from the malware. But there a certain league of viruses that still remain untraceable and hard to defend. One such virus is called Trojan. Well, to be frank, Trojan is not new to the computer world. In fact, it has been in existence for decades. Trojans are deceptive in nature and they never attack system in a conventional way, unlike other malware. Trojans is not an automatically generated malicious code. It is deliberately prepared by the highly skilled cyber criminal with an end goal to bypass the system firewall easily, without leaving any trace. Trojan can intrude the system security via email (through an attachment), spammed website and malicious code. Types of Trojan horse malware Once gets on board, Trojans can do the damage beyond the user’s imagination. It merely takes a minute for a Trojan to infec...