Study on Computer Trojan Horse Virus and Its Prevention

ZHU Zhenfang

In recent years, the fast development of computer network technology, has become an integral part of human’s life, work and study. But with the popularity of the Internet, computer viruses, Trojans and other new terms have become some well-known network vocabularies. Studies have shown that most users of computer are more or less suffered from computer virus. So people must attach great importance to the network security problem. The paper studied Trojan virus. Paper first introduced the concept, characteristics and categories of the Trojan virus and its harm, and then focused on the way and means of the Trojan’s spread. It introduced the Trojan virus loading and hiding technology, too. Its last part focused on the prevention measures, it put forward reasonable suggestions to users, and paper also put forward prevention advice to improve network security.