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Internal Network Security

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Internal Network Security
Introduction
The development of technology has brought Internet to become the mass communication media between people or companies. Through Internet, people can communicate with other people in various places. Companies can get many advantages by using Internet network to support their business. Therefore, companies are trying as hard as they can, and give high effort in protecting their network from attack and make sure that they have the best network security.
Most people think that the threat of security attack is only come from outside the company. In fact, the attack from inside the company network is more harmful with high frequency to be happened. As written by Cryptek (2001), which based the argument from some articles, that threats from inside are far more dangerous than attacks from outside, and even FBI also stated that the average cost of an insider breach is $ 2.4 million while the average cost of a break-in from the Internet is $ 27,000.
All the facts above show that company must also think how to defend their network security from inside intruders, and not only concern about put firewall to protect their network security from outside. Companies must find way how to protect their information assets from attack, and make their network security is effective to block the threats either from outside or inside company.

The Importance of Internal Security
There are some reasons why inside intruders are as harmful and dangerous with outside intruder. It is because, for some organizations, especially big one, to support their company’ business, their facilitated their partners, customers, relations with the easiness technology can offer such as remote offices, mobile customers. All of the facilities boost up the use of corporate LAN increase, which resulted the increase of internal security threats, vulnerabilities to be attack by either outside or inside intruders.
As written in Cryptek (2001), there are some problems make the inside network



References: Anonymous (2002), “The Nuts and Bolts of Network Security”, [Online], Available : http://www.aquilagroup.com/network_security101.shtml, (2002, February 12). Cryptek (2001), “An Inside Out Look at Enterprise Security”, [Online], Available: www.Ciscoworldmagazine.com/webpapers/2001/12_cryptek.shtml, (2002,February, 08). Netmaster (2000), “Some history about firewalls and the Web”, [Online], Available: www.ciscoworldmagazine.com/webpapers/2000/09_netmaster.shtml, (2002,February,09).

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