Julie is analysing a banking system that processes payments for customers. She is concerned that the payment instructions might be tampered with causing an incorrect payment to be made. She recommends using a digital signature for each transaction to mitigate the risk of compromise. Which of the following best describes this scenario? a. Julie is concerned about the integrity of the transaction and recommends a cryptographic control b. Julie is concerned about the confidentiality of the transaction and recommends an identity-based control c. Julie is concerned about the availability of the transaction and recommends an asymmetric control d. Julie is concerned about the integrity of the transaction and recommends a non-repudiation control

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Cryptography

Cryptography is a term used in computer science to describe secure information and communication techniques that transform messages in difficult-to-decipher ways using mathematical concepts and a set of rule-based calculations known as algorithms.