Network Security Assignment Example | Topics and Well Written Essays - 2000 words

Network Security - Assignment ExampleInformation warranter entails the adoption of specific measures that are supposed to prevent the unauthorized access, manipulation, use or the denial of access to any data, information, or capabilities that will ensure confidentiality (Douligeris and Serpanos, 2007). All these measures should be implemented to ensure the security measure of all the resources within the organization. Organizations nowadays wee greatly relied on the various lucre technologies that ensure efficient data communicatings between different departments, at the same time ensuring that communication channel are secure. The expansion of an organization results into more resources being acquired in terms of new computers, printers, telephones, communication channels, hardwares and softwares and also the adoption of sophisticated network computer architectures. This results into an increased concern for information security within the organization to ensure that only the authorized personnel access the resources. Question 1. The question describes the main security issues, the principles of public key encryption, and the role of certification authority as follows Security issues facing the expansion of the organization Expansion of the organization will result into a rise in the demand of various resources. More hardware and software will be acquired, more people will be employed, and the network architecture to be utilise and various protocols will change to meet the organizational needs. Various security issues will arise in physical security, all the tactile assets within the organization such as computers (both personal and laptops), network printers, telephones, storage media, people, network cables, and servers will face a security threat. Indeed, each of the organizations assets faces a security threat from within (internal) and from removed the organization (external). Security issues that will arise from within the organization (internal attacks) include access attacks such as eavesdropping (listening to a communication that one is not part of) by fellow employees or through wireless networks, and snooping (looking through information files). Others include interception of transit information, unauthorized access to computers by employees, computer attacks by viruses, worms, Trojans, internal hackers and theft of hardware from within the organization (Maiwald, 2003). External attacks include hackers and cyber terrorists, and malware. The organization needs to address the measures that will be used to ensure security of both information, physical hardware, internal and external attacks are checked. Internal threats from employees are both intentional and accidental, where an employee can eavesdrop on other employee, hence gaining access to some information during conversation. In addition, employees can forge passwords of their colleagues and hence gain access to their computers, use, modify, and transfer informat ion to other unauthorized members outside the organization. Moreover, employees may bring external or foreign insecure hardware into the organization, resulting into virus infection and transmission. Lastly, employees could steal portable small size hardwares from the organization. Information and communication within the organization will be affected in one way or another. There might be lots of network trading caused by attacks on