Define the following in relation to e-commerce. UniversityMount Kenya i. Confidentiality. ii. Integrity. iii. Availability.
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This includes personal data, payment information, and any other private details shared between customers and businesses. Ensuring confidentiality involves using encryption, secure communication channels, and strict access controls to safeguard data. Show more…
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a) The following are seven features that may be provided by a security system. For each, write a sentence describing what is meant by the feature: i. Confidentiality: This feature ensures that information is only accessible to authorized individuals and is kept private from unauthorized users. ii. Integrity: This feature ensures that information remains unchanged and unaltered during storage, transmission, and processing. iii. Availability: This feature ensures that information and resources are accessible and usable by authorized users whenever needed. iv. Non-repudiation: This feature ensures that the origin and authenticity of a message or transaction cannot be denied by the sender. v. Authentication: This feature verifies the identity of users or entities to ensure that they are who they claim to be. vi. Access control: This feature restricts and manages user access to information and resources based on their authorization levels. vii. Accountability: This feature tracks and records user actions and activities to ensure responsibility and traceability. b) A University department has a file called exam marks, which contains a list of examination marks indexed by student names in alphabetical order. A student manages to access the exam marks file. The student cannot read the file since it is encrypted. However, they can work out the position of their own mark, making use of the fact that the students are listed in alphabetical order. The student swaps their mark with that of the student who is always 'top of the class'. Discuss which of the security features listed in part A have been breached.
Akash M.
For each of the following assets, assign a low, moderate, or high impact level for the loss of confidentiality, availability, and integrity, respectively. Justify your answers. a. A student maintaining a blog to post public information. b. An examination section of a university that is managing sensitive information about exam papers. c. An information system in a pathological laboratory maintaining the patient's data. d. A student information system used for maintaining student data in a university that contains both personal, academic information, and routine administrative information (not privacy-related). Assess the impact for the two data sets separately and the information system as a whole. e. A University library contains a library management system which controls the distribution of books amongst the students of various departments. The library management system contains both the student data and the book data. Assess the impact for the two data sets separately and the information system as a whole.
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