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These days, Internet is considered as one of an important thing. We use Internet to find information, send emails, and buy things online. There are also many contents on the Internet that not suitable for children.

Parents must control what information is suitable for their children, but they can’t always be around when children is accessing the Internet. That is why many vendors creating Internet Parental Control system.

This article will describe a few of them.

The first thing you need to protect your children when they are using a computer is to prevent them to get access to passwords.
By doing this, you can keep them from sharing passwords with other people that can possibly affect the security of your system.

The second thing you need to do is using the same computer.
You can sit next to your children while there are going online, you can guide them to make a good and safe decisions.
That way you can approve websites that they can access and allow them to bookmark those websites.
You can guide them how to do an appropriate online behavior and at the same time you can monitor your child’s conversations with their friends.

The third step is by blocking the access to inappropriate websites.
Probably, your children may disagree about what is appropriate and what is not, but you have the full control and you also have the responsible over their safety.

Provide some time to browsing and searching for information about parental control software that can give to control to block or unblock certain websites.
Try not to leave your children alone when they are online and don’t let them chat with stranger

Another step is to teach your children not to spread personal information such as school information, name, home address, phone number under any circumstances,
Performing all of these steps is not going to be easy but definitely it will teach your children important things and keep them safe.

Virus is a computer program that able to spread from one computer to another computer.
They are designed specifically to gain access into parts of your computer system and they have the ability to duplicate and infecting another computer.

Below is some of the most common methods for a computer virus to spread.

Boot Information

Every disk (hard disk, floppy disk, CD, DVD) contains a boot sector even if it is a bootable disk or not.
When you turn on your computer, then it will search for boot information.
If the computer finds a disk containing boot information, it reads the boot information and uses it to start the computer in normal procedure.
For an example if you accidentally boot your computer from a bootable CD that contains a computer virus, that way the computer virus are being triggered and it is possible to be transferred into the computer’s hard drive.

After the boot information on the hard drive has been infected with the virus, it will be loaded into your computer’s memory every time you start your computer. From that memory (RAM) the computer virus infecting every disk that attached with your computer. This is how the infection spreads.

Most boot viruses could stay on a computer system for a long time without generating problems, it was designed only to stay there and spread themselves.
Such computer viruses are designed to activate their bad behaviour on a specific date depends on the creator.
But there are some nasty boot viruses that can destroy the boot information or forcing a complete format of a hard drive right after they are transferred into a computer.

Application Infections

When a computer program that has been infected with a virus is running, the virus is loaded into the RAM.
While the virus is in the RAM, if you are running another application that application can become infected.
It means that more applications on your system are possible to be infected.
Multiple infections are very common and it will definitely generate system problems.

For some time the program files may operates normally without any problems but eventually they will have problems or the infections causes the whole computer system down.

Generally, when an application is infected with a virus, the first sign of an infection is when you are saving files it is saved without a proper names or the data that you save is incomplete.
This type of viruses are often designed to search for a programs that are used to share information between users/computers such as email applications, screen savers, office document Macros, and self-extracting compressed files.

E-Mail Attachments

Most of dangerous viruses are spreading through an e-mail attachments.
In such cases, the user does not realize that they are attaching infected file/s to an email message and send it to a friend/s or colleague/s.
By the time that email is received, the virus is triggered when the attachment file is opened then infecting a new computer.

These days mass mailing email contains worms or viruses are being released.
These kind of attacks AUTOMATICALLY scans your computer’s files and search for any email address it can find and uses your email application to AUTOMATICALLY send infected messages to every email address that it has found in your computer.

It is very important to be aware over the emails that you open. Make sure that it does not contain dangerous viruses.
Even if that email comes from your family or friends, it may contain a virus.
This is the moment where an anti-virus program would be really helpful to detect your incoming messages and to make sure that the messages you receive does not contain a virus.