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The Issue of Network Security - Essay Example

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Summary
The paper "The Issue of Network Security" highlights that computer vulnerabilities are common and can cause negative impacts on the computer network. A company should take measures to ensure the security of network infrastructure from vulnerabilities…
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The Issue of Network Security
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Extract of sample "The Issue of Network Security"

It is common for hackers to target the computer network of a company; this may have significant negative impacts on the company (Gollmann, 2011). The computer network should also be secured from damages that may result from physical factors and dangers caused by computer viruses. Thus, network security is extremely essential in any company; the chief information officer should be aware of how to ensure network security.
How to secure the network infrastructure
There are several ways in which unauthorized users can gain access to the peer-to-peer networks in a company. First, they can access the peer networks by using any of the networked computers to type a unique username as well as a password. This can be prevented by making sure that the networked computers cannot be accessed physically. To achieve this, BIOS security should be enabled; this makes sure that the user sets an access name and password for the computers (Maiwald, 2003).
Maiwald (2003) asserts that hackers and other unauthorized users can gain access to a company’s server-based network by using the name and password of another person. In such a case, passwords should be changed regularly, and they should not also be written down. This way, it will be extremely difficult for unauthorized users to access the company’s network.
Data encryption can also be used to ensure that the network is secure and not accessible to unauthorized persons. Data should be encrypted before sending it onto the network. This way, the data will become unreadable even by a person who may attempt to tap the cable and read the data when it passes over the network. Upon arrival at the proper computer, the code designed to decipher encrypted data divides it into bits. The code then translates the bits into information that can be understood (Gollmann, 2011).
According to Brown (2000), the network infrastructure of a company should also be protected from computer viruses that may infect the operating systems and files. Viruses can be transmitted through a direct cable connection, floppy disks, or CDs. Other means by which viruses can be transmitted include electronic ways such as through Internet downloads and e-mails. The CIO can employ several measures to ensure that the network infrastructure is free of computer viruses. Viruses can be avoided through the installation of strong anti-virus software, disabling macro capabilities, and writing protection of disks. Read More
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