Antivirus Programs

Today, people rely on computers to create, store, and manage critical information, legion(predicate) generation via a home computer lucre. Information transmitted over networks has a higher degree of security risk than information kept in users home or company premises. Thus, it is crucial that they offspring measures to protect their computer and data from loss, damage, and misuse resulting from computer security risks. Anti virus programs are an powerful way to protect a computer against viruses.An antivirus program protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media, or on incoming files.1 When u purchases a hot computer, it often includes antivirus software. Antivirus programs work by scanning for programs that normally are hire from but not modified. In addition, many antivirus programs automatically scan files downloaded from the Web, netmail attachments, opened files, and all types of removable media i nserted in the computer (Karanos 201-205).One proficiency that antivirus programs use to identify a virus is to look for virus signatures, or virus definitions, which are known specific patterns of virus code. According to Shelly and Cashman (Antivirus Programs), many vendors of antivirus programs allow registered users to update virus signature files automatically from the Web at no cost for a specified time. Updating the antivirus programs signature files regularly is important, because it will download any new virus definitions that have been added since the last update.Methods that guarantee a computer or network is safe from computer viruses simply do not exist. Installing, updating, and using an antivirus program, though, is an effective technique to safeguard your computer from loss.