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ISC2 Certified in Cybersecurity Exam - Topic 4 Question 12 Discussion

What is the purpose of non-repudiation in information security?
C) To prevent the sender or recipient of a message from denying having sent or received the message
A) To ensure data is always accessible when needed
B) To protect data from unauthorized access
D) To ensure data is accurate and unchanged

ISC2 Certified in Cybersecurity Exam - Topic 4 Question 12 Discussion

Actual exam question for ISC2's Certified in Cybersecurity exam
Question #: 12
Topic #: 4
[All Certified in Cybersecurity Questions]

What is the purpose of non-repudiation in information security?

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Suggested Answer: C

by Joni at Apr 05, 2026, 10:26 PM

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Owen
8 hours ago
I think C is the right answer. Non-repudiation is all about accountability.
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Darrin
6 days ago
Yeah, but it doesn't protect against unauthorized access.
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Coletta
11 days ago
It's all about proving who did what, right?
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Kristeen
16 days ago
Wait, is that really the main purpose? Seems too narrow.
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Gilbert
2 months ago
Totally agree, it's crucial for accountability!
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Noah
2 months ago
Non-repudiation means you can't deny sending a message.
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Cletus
3 months ago
I’m a bit confused because I thought non-repudiation also had something to do with data access. But I guess that’s more about option B, right?
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Abel
3 months ago
I practiced a similar question last week, and I think non-repudiation specifically deals with accountability in communications. So, I’d go with C.
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Azalee
3 months ago
I remember studying this, but I’m not completely sure. It seems like it could relate to data integrity too, but that might be more about option D.
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Dannie
4 months ago
I think non-repudiation is about ensuring that the sender can't deny sending a message. So, I’m leaning towards option C.
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