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Exam CSSLP topic 1 question 95 discussion

Actual exam question from ISC's CSSLP
Question #: 95
Topic #: 1
[All CSSLP Questions]

In which of the following cryptographic attacking techniques does an attacker obtain encrypted messages that have been encrypted using the same encryption algorithm?

  • A. Chosen plaintext attack
  • B. Chosen ciphertext attack
  • C. Ciphertext only attack
  • D. Known plaintext attack
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Suggested Answer: C 🗳️
In a ciphertext only attack, an attacker obtains encrypted messages that have been encrypted using the same encryption algorithm.
Community vote distribution
D (100%)

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74gjd_37
5 months, 2 weeks ago
Selected Answer: D
The attack where an attacker obtains encrypted messages that have been encrypted using the same encryption algorithm is called a "known plaintext attack". So, the correct option is D.
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Community vote distribution
A (35%)
C (25%)
B (20%)
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