学术英语理工 text2 摘要

Abstract of text 2

Any computer which connected to the Internet has raised a dauting ra nge of electronic threats. Many software bugs may simply cause a computer to crash. This paper focuses on different kinds of electronic threats, explain how they works and make menace. Viruses and worms are programs which provide a way for hackers to control computers, they can earn large amounts of money through Trojans and zombies. Spams are bulk emails, they used for phishing, try to trick a recipient into handing over money or sensitive personal information. Spyware represents the third of unhappy trinity of Internet pests. The programs are used to unwanted adverts, change settings and gather information. As money increasingly becomes a digital commodity, the world has seen the emergence of serious computer criminals. Hackers use many tools make criminals and menace, the biggest new target for them is the mobile device. While the Internet has transformed global communication beyond recognition,we should be ready to the tasks of pr eventing these threats.