Computer viruses are unwanted malicious programs that enter into the computer without the knowledge of the user. The damage that viruses make is serious, but most of the times it is meaningless. For example, some of the viruses can scare you by suddenly showing you random photos or messages on the screen. There are types of viruses that restart the computer all the time. If you think that your computer is infected, do not hesitate to ask for a help from one of the best places TAG it Services.
But as it was mentioned, the damage can be very serious. For example, viruses can delete your data, change the names of folders, move important files, slow down the computer and many others. The computer can also be infected by USB, CD or DVD from files downloaded from the Internet.
Emails can also contain viruses in a form of songs, photos and other types of documents.
Other types of malicious software:
Worms – The worms are malicious software that can be copied and spread through the whole computer, but unlike viruses they don’t need a file to get into a computer. Worms usually attach to emails and they can easily be sent to all the emails that can be found on that contact list. They can be very dangerous and delete or abuse your personal information and data.
Trojans – This malicious software got the name from the Trojan horse that was left in front of the Trojan’s gates by the Greeks. Trojans thought that it was a nice gesture of peace and they accepted the gift. Of course, they didn’t know that the soldiers were hidden inside the wooden horse. During the night they attacked the soldiers and took over the city. That is the way this malicious software works on. The user often thinks that they download a song or a screen saver, or some new interesting program without knowing that they are actually installing one of the most dangerous malicious software.
Spywares – These are also programs that can be found on anyone’s computer. What they do is they actually spy everything you do. They see the websites you visit, the data you enter, the credit card numbers, personal information, the people you communicate with and so on. All of this, the spyware uses to send to a marketing firm or to abuse your data such as steal money from your credit card. They usually come in a form of programs. So, before you download and install some new and interesting program, make sure you research and find out if it is safe to use.
It is not safe to download songs or any kinds of documents from places you are not sure that they are safe. Also, it is not safe to open files that an unknown person sent on your email address. Protect your computer by avoiding these mistakes.