Possible threats to system performance

Viruses

A virus is a parasitic program written intentionally to alter the way your computer functions/operates without your permission. Viruses attach and copy them self to programs, files or documents, they remain inactive until the program is run or the file/folder is opened.

Viruses can delete damage files cause changes to the computer system, display messages; they can spread through email, instant massager attachments USBs and so on.

Trojan Horse

These programs appear to serve or provide useful entertainment that encourages you to run them. But these programs are covert and are intended to harm your system, by placing a virus on your system damage or allow the creator/hacker to gain access to your computer. These days you can be enticed into running a Trojan by clicking on a link on a viral web site or in an email.

Trojan horses are not viruses because they do not replicate or spread. Trojans that allow a hacker to gain access to your computer are called Remote Access Trojans RATs.

Lost files information – Back up

It is important to have a back up of your files on either an external hard disk or using online file storage such as humyo.com

This should be done because you can have unexpected experiences such as power failure, hard disk becomes damaged or your PC is stolen and so on.

Online banking

You need to be very careful when internet banking because you don’t want anyone beside from yourself to have any of your details likes passwords. If someone was to gain enough information they would be able to access your accounts and steal your money.