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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
7 months ago
Totally agree, if it's no longer usable, it's broken for sure!
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Nilsa
7 months ago
Wait, can a cipher be broken without decoding the key?
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Brynn
7 months ago
Definitely, finding a better method than brute force counts as broken.
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Pamella
7 months ago
I think uncovering the algorithm is key too.
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Anthony
7 months ago
It's all about decoding the key!
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King
8 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
8 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
8 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
8 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
8 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
8 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
8 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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