Question: 1) Consider an automated teller machine (ATM) in which users provide a personal identification number (PIN). Discuss what confidentiality, integrity, availability, authenticity, and non-repudiation refer

1) Consider an automated teller machine (ATM) in which users provide a personal identification number (PIN). Discuss what confidentiality, integrity, availability, authenticity, and non-repudiation refer to in this type of service.
2) Discuss how design principles of abstraction, modularity, and layering help with security.

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