What does the term "non-repudiation" refer to in the context of cybersecurity?

The correct answer is A. Preventing denial of involvement in a transaction. Non-repudiation ensures that a party cannot deny having performed an action or sent a message. For example, a digital signature on an email proves the sender authored it - they cannot later claim they did not. It is commonly implemented via digital signatures and audit logs. It…

Security Principles

Question

Options

APreventing denial of involvement in a transaction
BProtecting data integrity
CEnsuring data confidentiality
DPreventing unauthorized access

How the community answered

(34 responses)

A
94% (32)
B
3% (1)
D
3% (1)

Explanation

Non-repudiation ensures that a party cannot deny having performed an action or sent a message. For example, a digital signature on an email proves the sender authored it - they cannot later claim they did not. It is commonly implemented via digital signatures and audit logs. It is distinct from integrity (data hasn't been altered), confidentiality (data is hidden from unauthorized parties), and access control (preventing unauthorized access).

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#Non-repudiation#Security principles#Information security#Cybersecurity concepts

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