There are many common problems associated with the development of information systems. These problems may occur in the initial stages of development or begin to emerge as the development progresses towards completion and beyond.

One of the problems may be an imprecise initial cost estimate which will impact the HR department hugely,

If the HR department is going to allow staff to have access to Internet, it should be aware of the problems this decision could represent to the business and the security before hand in other to avoid them or minimise the risks.

The departments own network can therefore sit behind a more secure firewall. The firewall can restrict access to most ports allowing only certain traffic through. The firewall will be able to monitor how many attempted attacks have taken place and even the address of who placed them. It can also restrict access to and from the network outside office hours. Regular backups must be taken and the IT team must make sure that network security is tight. Rigorous password policies must be maintained, avoiding the use of insecure passwords like the name of family members. Desktop virus checkers must be updated at least once a week.

As we have seen developing a computer system implies valuable cost in money, effort and time. However, regardless of the progress made in the development of information systems, serious complications can still come up in the implementation of computer information systems. Sometimes the new computerised system simply doesn’t work properly or do what is supposed to do. In the worst case, a firm may even decide that the new computer information system fails so miserably in its performance that the old system must be restored. Therefore, all approaches to systems analysis and design should be considered by the organisation in order to identify the most suitable approach to meet the needs and requirements of the business.

• Implications of having a Web site and email

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