What should I know about computer viruses?

Computer viruses are harmful, self -service programs that can spread from one computer to another via the Internet, network, or a removable computer device such as a printer, floppy disk, CD or USB unit. Over the last decade, the spread of the Internet use in offices and homes has spread computer viruses and demand for viruses and software detection. Thanks to its dominance as the most used operating system, Microsoft Windows is the most commonly targeted platform for viruses. On the other hand, Apple operating systems are less likely to be infected with computer viruses, a function that is often emphasized in Mac advertising campaigns.

The most comprehensible means to prevent computer viruses is the delay in opening e -mail attachments of unknown origin or suspicious name. However, computer viruses can also be distributed via text e-mails and instant messages if the user clicks on the infected web addressline in the message. Once there is a host computer inside, the virus can connect to a executable file in a certain program. When the program is opened, the virus code is triggered and replicated. To avoid detection, many computer viruses use secret hiding techniques that are written in their code, such as the ability to even disrupt antivirus software.

There are a number of measures that can be taken to minimize their risk of contractual computer viruses. Popular antivirus systems, Norton Antivirus ™ and Virusscan® from McAfee® are available to download and purchase over the Internet, while antivirus systems such as AVG Anti-Virus and security software are available to the Internet without cost. Antiviral systems should be constantly updated to adequately block the latest users of computer viruses would also refrain from opening suspicious e -mail attachmentsClicking on suspicious HTML links and downloading programs of unknown origin on the Internet as much as possible. To avoid data loss in the case of virus infection, computer users should regularly back up their systems or separate a fixed drive.

Although antivirus software is the best tool to detect whether your computer is infected with a virus, there are a number of warning signals that can be easily detected. For example, if your computer is working at a slower rate than usual, it often freezes or crashes, restarts itself, prevents access to certain discs or discs, or shows unusual error messages, you can be infected with a computer virus.