Network Security

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detective movies who show how easy it is to tap a telephone- Although it is illegal unauthorised access is gained, damage can be done to sensitive data if leaked from one company to another which can provide criminals with the electronic gold mine of fraud opportunities.[2]
so this justifies the need for security.

Many definitions say that security means “…..unauthorised access, such as preventing a hacker from breaking into your computer” (Fitzgerald and Dennis, 1996, pp426). This statement shows the importance of the computer security, because the computer data storage device such as hard drive and other computer storage devices, which contain the information to use efficiently within organisations, should be prevented. The means of security can also be the physical control of the information that should be prevented from loosing and to be prevented from natural disasters which is called ‘traditional security’ according to Fitzgerald and ...

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access are avalible to authorised personnel.

2.3 Do Organisations need a security policy?

The essence of security operations is managing and controlling access to equipment and facilities within an organisation. The crux of the security problem is providing simple and inexpensive access on a wide-reach basis even protect the physical securities from harm and sensitive information from unauthorised users. Therefore, the organisations can define their own security policies and responsibilities for various aspects of security within, which would lead to a great successful in reducing the threat of the organisation. (Keen, 1994). In an article called ‘PC Magazine’ by ...

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