Conclusion
The application of cryptography(hidden or secret) to electronic funds transfer systems has shown that attacks may occur in different sub-systems. In other words, the protection of Electronic funds transfer terminals from attack by unauthorized outsiders is realized. Terminal's protection from authorized insiders is an impossible task. In order to go beyond these problems, the combined implementation of physical security, procedural protection and cryptography should be applied.
Read more about this topic: Security Of Automated Teller Machines
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