The widespread use of information technology has raised a number of ethical issues for people. For storing and retrieving data, these issues include: security and hacking of data.
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Security of data and information is a major issue. The cost of replacing stored data that is deliberately or accidentally damaged is enormous. Data security involves a series of safeguards to protect data, such as passwords, personal objects, biometric devices, firewalls, data encryption, securing waste, carefully screening employees and having appropriate backup procedures
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Unauthorised retrieval of data refers to people gaining illegal access to information systems. These people are called hackers.Hackers are often involved in information theft or financial theft. Their crimes are often not reported due to adverse publicity and are not regarded in the same light as conventional robbery.