Which property ensures data has not been altered without authorization?

Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Which property ensures data has not been altered without authorization?

Explanation:
Integrity is the property that ensures data has not been altered without authorization. It focuses on preserving the accuracy and trustworthiness of information, with mechanisms like cryptographic hashes, MACs, digital signatures, and audit logs that can detect tampering. This is different from confidentiality, which protects data from being disclosed; availability, which ensures access; and non-repudiation, which prevents denying involvement in a communication. When data remains intact and unaltered, integrity is maintained.

Integrity is the property that ensures data has not been altered without authorization. It focuses on preserving the accuracy and trustworthiness of information, with mechanisms like cryptographic hashes, MACs, digital signatures, and audit logs that can detect tampering. This is different from confidentiality, which protects data from being disclosed; availability, which ensures access; and non-repudiation, which prevents denying involvement in a communication. When data remains intact and unaltered, integrity is maintained.

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