Intruders are all around us waiting to take information from your computer system. Value information is store on your computer, credit card numbers, bank account information, and telephone numbers. Intruders have the knowledge where they can break in and attack your internet connection. Computers are target so that the intruders can tap into the internet by dial-in connection, and high speed connections. It is not only money related information that they are after but your computer resources. Information can be crack from the hard disk space and fast processor of the computer. With the access of your hard ware space, and fast processor, intruders can attack other computers for valve information and the law are unable to track, stop or even able to prosecute these criminals.
Ant-virus programs are design to protect against viruses and worms so intruders are not as successful when attacking your computer. Anti-virus programs virus signature to look at the content of the computer files for protection. Some anti-virus programs will react to the virus by destroying a certain file or you might be able to clean the file from the infected virus. Viruses that and infect through floppy disk. CD-ROM emails with or without attachments, web sites, and when you download files. Anti-virus program will check updates automatically by running or opening up your file to be check. Some anti-virus programs have a feature that can go beyond the virus signature with heuristic tests.
Firewall hardware or programs allow you to define which connection between your computer and other computer on the internet are allow or denied. Fire wall acts like a guard when it looks at the network traffic it is destined for or received information from another computer. The firewall check whether a given packet should pass, where the packet cam from and where it is going, all of this information is recorded on the firewall. Firewalls can also recognize, filtered the contents with a...