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Eccouncil 212-81 Exam - Topic 1 Question 10 Discussion

What must occur in order for a cipher to be considered 'broken'?
C) Finding any method that is more efficient than brute force
A) Uncovering the algorithm used
B) Decoding the key
D) Rendering the cipher no longer useable

Eccouncil 212-81 Exam - Topic 1 Question 10 Discussion

Actual exam question for Eccouncil's 212-81 exam
Question #: 10
Topic #: 1
[All 212-81 Questions]

What must occur in order for a cipher to be considered 'broken'?

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Suggested Answer: C

Finding any method that is more efficient than brute force

https://en.wikipedia.org/wiki/Cryptanalysis

Bruce Schneier notes that even computationally impractical attacks can be considered breaks: 'Breaking a cipher simply means finding a weakness in the cipher that can be exploited with a complexity less than brute force.'


by Zona at Oct 27, 2022, 03:10 PM

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Ollie
10 months ago
Totally agree, if it's no longer usable, it's broken for sure!
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Nilsa
10 months ago
Wait, can a cipher be broken without decoding the key?
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Brynn
10 months ago
Definitely, finding a better method than brute force counts as broken.
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Pamella
10 months ago
I think uncovering the algorithm is key too.
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Anthony
11 months ago
It's all about decoding the key!
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King
11 months ago
I think rendering the cipher unusable is a strong point, but I’m not entirely convinced that’s the only way to define it. It feels like there are multiple angles to consider.
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Rueben
11 months ago
I feel like uncovering the algorithm is important, but it might not be enough on its own. I wonder if there's a specific definition we need to remember.
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Maryln
11 months ago
I remember a practice question about breaking ciphers, and I think it had to do with finding a more efficient method than brute force. That might be what they mean by 'broken.'
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Dottie
11 months ago
I think a cipher is considered broken when you can decode it without the key, but I'm not sure if that means just finding the key or something else.
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Kasandra
11 months ago
This looks like a straightforward question about identifying the applications that are part of Microsoft 365 Apps for enterprise. I'm pretty confident I can get this right.
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Janessa
11 months ago
I think it's 'All of the above' - a good fraud risk management program should cover prevention, mitigation, and consequences.
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Pamella
11 months ago
Hmm, I'm a little confused. Do I need to do anything special to save the theme file in the default location? I want to make sure I get this right.
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