Computer fraud means the unauthorized, unauthenticated access of the data, changes of data and information from the computer, networks and servers of an organization with the wrong intention. Computer frauds also include installation of unauthorized programs, spyware and application with malicious purpose to others computers and network.
Different activity or techniques can be adapted in order to detect the computer fraud. Some of the common techniques are:
• Firewall: Firewall protects other unauthenticated access of data and unauthorized entry to organizational networks and systems. Firewall is most widely used techniques to secure the network and systems from the computer frauds. Hardware and software firewall can be used to protect from the computer frauds.
• Use of Anti-viruses: Antivirus scans the computers system to detect, remove and/or quarantine the malicious applications. It prevents the spreading of such program from one computer to other and also protects the corruption of the data. Regular scanning of the individual systems and servers can protect the computers from viruses and worms. Antivirus needs to be updated with the virus definitions to track the new virus
• Intrusion detection: This application helps to scan the large numbers of the users who are entering into the system. Now days intrusion detection applications are in-build on firewall.