Automated Teller Machines (ATM) are designed so that users will provide a personal identification number (PIN) and a card to access their bank accounts. Give examples of confidentiality, integrity and availability requirements associated in such a system and describe the degree of importance for each requirement.
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diffirent pin have diffirent identity
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The confidentiality, integrity, and availability are the key requirements to maintain secured financial transactions in ATM.
Explanation:
- Confidentiality: The ATM network should support and maintain privacy in storing and communicating data. It should protect user information from outsiders. It is important to maintain this requirement, as it involves protecting the user’s confidential data. If not, others will misuse it.
- Integrity: User’s information has to be secured and protected to avoid illegal users to modify/alter the data. It is important to preserve integrity, as data should have value only if it has the correct meaning.
- Availability: It refers to the accessibility of data by legitimate users, whenever needed. It is important, that users have every right to get their information at any time.
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