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An Analysis Of Security Management In An Organization

9269 words - 37 pages

CHAPTER 1INTRODUCTION TO SECURITY MANAGEMENT1.1 Security ManagementThis research project on "An analysis of Security Management in an organization" refers to the management of security in different organizations and the measures taken to stop hackers from breaking into their systems. There are many things that have to be taken into account by the security analyst to secure the data of an organization and manage the security. Certain things that are necessary to take precautionary measures and manage security which will be discussed in this report are:*Firewalls.*Encryption.*Proxy Server.*Good Operating System.A firewall plays a very important role in security management. If the firewall is a good one, it will stop illegal connections to the network hence securing the data. But if the firewall is not an updated one, the data of the organization is always at risk.The database of an organization should always be encrypted. If a hacker managed to bypass the firewall the security should be so very good that the hacker should not be able to steal anything. The best technique is to encrypt the data into the latest format of encryption which is either 128 bits or 256 bits.The security analyst should install a good proxy server and create a good access control list to ban all illegal connection via the internet.The server should be on a good operating system. An operating system plays a very important role in the security management of an organization. Linux or UNIX is the most recommended operating system for such organizations as *nix operating systems are almost impossible to hack into. The reason behind this is that *nix have an open source code which means anyone can make changes to the code to increase security and adjust the operating system according to their needs and requirements.CHAPTER 2FIREWALLS2.1 Introduction to FirewallsA firewall is a system or group of systems that enforces an access control policy between two networks. The actual means by which this is accomplished varies widely, but in principle, the firewall can be thought of as a pair of mechanisms: one which exists to block traffic, and the other which exists to permit traffic. Some firewalls place a greater emphasis on blocking traffic, while others emphasize permitting traffic. Probably the most important thing to recognize about a firewall is that it implements an access control policy. If you don't have a good idea of what kind of access you want to allow or to deny, a firewall really won't help you. It's also important to recognize that the firewall's configuration, because it is a mechanism for enforcing policy, imposes its policy on everything behind it. Administrators for firewalls managing the connectivity for a large number of hosts therefore have a heavy responsibility.2.2 Why Need a Firewall?The Internet, like any other society, is plagued with the kind of jerks who enjoy the electronic equivalent of writing on other people's walls with spray paint, tearing their...

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