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Exam PT1-002 topic 1 question 72 discussion

Actual exam question from CompTIA's PT1-002
Question #: 72
Topic #: 1
[All PT1-002 Questions]

User credentials were captured from a database during an assessment and cracked using rainbow tables. Based on the ease of compromise, which of the following algorithms was MOST likely used to store the passwords in the database?

  • A. MD5
  • B. bcrypt
  • C. SHA-1
  • D. PBKDF2
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Suggested Answer: A 🗳️
Reference:
https://www.geeksforgeeks.org/understanding-rainbow-table-attack/

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lifehacker0777
2 years, 1 month ago
Selected Answer: A
A. MD5 Rainbow tables are precomputed tables that are used to quickly crack the password hash. They are particularly effective against unsalted password hashes that are created using weak hashing algorithms such as MD5, which can be cracked quickly. If the user credentials were captured from a database during an assessment and cracked using rainbow tables, it is likely that the passwords were stored in the database using the MD5 hashing algorithm. In contrast, bcrypt, SHA-1, and PBKDF2 are considered stronger algorithms that are more resistant to rainbow table attacks, as they use a technique called salting to add randomness to the password hash and make it more difficult to crack.
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