CREST Practitioner Security Analyst (CPSA) Practice

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Master the CREST Practitioner Security Analyst Exam. Prepare with quizzes and comprehensive study guides that include tips and explanations. Excel in your certification journey!

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Which type of Cisco password encryption is known as 'secret 4'?

Salted MD5
Crappy SHA256
PBKDF2
scrypt

The correct answer is: Crappy SHA256

The term 'secret 4' refers to the encryption method used by Cisco for password storage and is specifically associated with the use of SHA256 hashing. This encryption type is often deemed less secure than other hashing algorithms due to shortcomings in its design and implementation, which is why it may be informally dubbed with a denigrating term. Choosing the option associated with 'secret 4' is justified because it aligns with the transition in Cisco's encryption schemes towards more advanced hashing techniques, although it still falls short of modern standards. The other options reference cryptographic hashes or functions that, while robust in different contexts, do not specifically pertain to the 'secret 4' designation used by Cisco. Understanding the implications of Cisco’s encryption levels is crucial for cybersecurity professionals, especially when managing network security and safeguarding credentials.