Applications there are a number of general measures

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Applications There are a number of general measures that can be taken to help protect the enterprise and its communications networks from security breaches. An obvious first step is to hire trustworthy, reliable employees who will not sabotage the system or steal data and who will safeguard the system from possible intruders. To assist employees in this task, however, there are a number of other general policies and procedures that can be put in place to help reduce the risk of computer crime. The enterprise's com- puter networks should only be accessible using a code word and password. Employees should keep these confidential and not allow any unauthorized access to their terminal. Employees should be encouraged to report any suspected security breaches immediately. In addition, it is often helpful to set up the system so that it requires users to change their access passwords fre- quently. For situations where sensitive, classified, or otherwise restricted data are stored, used, and processed, in some cases it is cost effective to use biometric devices such as retinal, finger - print, or palm scanners. Such devices are extremely difficult to access without authorization. Similarly, many organizations set up security procedures to control who is allowed to gain access to the system and the data. Employees should be educated on the importance of data and system security, the ways that com- puter criminals gain access to systems, and guidelines on how to respond when unauthorized access is suspected. Other ways to keep data secure include not allowing users unlim- ited access to the system. Users should only be able to access those data and functions they need to use for their jobs. For those functions that are critical in terms of value or risk, procedures can be set in place so that more than one authorized employee is necessary to gain access to those functions or data. In addition, data can be scrambled, coded, or otherwise encrypted to make it more difficult for potential hackers to use them. Similarly, network and database administrators should be given separate responsibilities for controlling system access. In some situations, it can also be helpful to keep a record of all transactions and user activities and the person responsible for each. From time to time, the system should also be audited by an independent party. In an audit, the transactions and processing should be analyzed to determine if there were any unauthorized activities and what impact transactions and processing had on the integrity of the system. In addition, there are some specific measures that an enterprise can take to reduce the possibility of experiencing as security breach. Virus protection software comprises special application programs that scan the computer to detect or intercept viruses before they gain access to the computer. There are two types of virus protection software. Scanning programs search the com- puter's memory for viruses, typically notifying the user if any are found. The user can then use the software to destroy the virus
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