Computer Virus History
Brothers reportedly created the virus software to prevent them from writing piracy. Before computer networks became a major, most viruses spread on removable media, particularly floppy disk. In the early personal computers, many users regularly exchanged information and programs in the floppy disk. After infecting programs stored on the disk spread of some virus, but another disk to install its own boot sector. Traditional computer viruses in the 80’s, with the proliferation of personal computers and in BBS and modem use of growth drivers, software sharing. The main driven software sharing and addressed to the Trojans spread the virus to infect humans in writing general business software. Software and pirated software, the same virus vector prevailing on BBS. Since the mid-90s, macro viruses have become commonplace. Most of these viruses are, like Microsoft Word and Excel applications scripting language. Sender infections in Microsoft Office documents and spreadsheets, these viruses. Since Word and Excel can also be in Mac OS, most of these viruses can be spread on Macintosh computers. Computer viruses can also spread through instant messaging. The virus can be infected machine, and instant messages to all contacts on the URLs link. If the recipient contact the idea from a friend (a trusted source) and follow the website link, the virus can infect a new host in the field of computer and continue to spread. The virus family, the latest variant of cross-site scripting virus. The virus appears in academic research and performance in 2005. The virus spread by cross-site scripting vulnerability. Since 2005, several instances of cross-site scripting viruses in the wild, most prominent in the country have been MySpace and Yahoo.
