You are counting letters in the ciphertext and drawing a histogram for cryptanalysis. Which of the following is least related to the cryptanalysis? (Wentz QOTD)
A. Transposition cipher
B. Frequency analysis
C. Ciphertext-only attack (COA)
D. Side-Channel Analysis
Kindly be reminded that the suggested answer is for your reference only. It doesn’t matter whether you have the right or wrong answer. What really matters is your reasoning process and justifications.
On August 20, 1998, NIST announced a group of fifteen AES candidate algorithms at the First AES Candidate Conference (AES1) and selected five algorithms from the fifteen as “AES finalists in Round 2 (AES2). Which of the following is not one of the five AES finalists? (Wentz QOTD)
A. MARS
B. RC6
C. Serpent
D. Blowfish
Kindly be reminded that the suggested answer is for your reference only. It doesn’t matter whether you have the right or wrong answer. What really matters is your reasoning process and justifications.
Which of the following doesn’t support the single sign-on (SSO) feature? (Wentz QOTD)
A. Credential Management Systems
B. Kerberos
C. Scripted access or logon scripts
D. Identity Federation
Kindly be reminded that the suggested answer is for your reference only. It doesn’t matter whether you have the right or wrong answer. What really matters is your reasoning process and justifications.
It’s commonly accepted that all user-originated inputs are treated as untrusted. Which of the following is least significant to ensure the security of an API’s input data? (Wentz QOTD)
A. Serialization
B. Canonicalization
C. Sanitization
D. Validation
You lead an integrated product team to develop a software solution. Which of the following is incorrect about threat modeling? (Wentz QOTD)
A. Threat modeling emphasizes identifying and addressing design flaws before coding.
B. Ideally, threat modeling is applied as soon as an architecture has been established.
C. Threat modeling should be conducted in the initiation phase as mentioned in the NIST SDLC.
D. The express aim of threat modeling is to identify and eliminate architectural and design issues.
You employ a symmetric cipher to protect data at rest. Which of the following is the most feasible secret key providing the highest level of security? (Wentz QOTD)
A. Fixed 128-bit key
B. Complicated password
C. A key with a length between 2048 and 3072 bits
D. A randomly generated key with the lowest level of entropy
Which of the following is the most crucial concept used to categorize an information system based on the NIST Risk Management Framework? (Wentz QOTD)
A. Scoping
B. Tailoring
C. High watermark
D. System-specific risk assessment
An online store employs a relational database. The store owner is concerned about data integrity. Which of the following best enforces referential integrity? (Wentz QOTD)
A. Lipner Model
B. Elliptic Curve Digital Signature Algorithm (ECDSA)
C. Hash-based message authentication code (HMAC)
D. Clark-Wilson Model
A keystream is a sequence of random or pseudorandom data elements, e.g., bits, that are combined with a plaintext message to produce the ciphertext. Which of the following doesn’t use a keystream? (Wentz QOTD)
A. One-time pad
B. RC4 in Wired Equivalent Privacy (WEP)
C. DES-CTR (Counter mode)
D. AES-CBC (Cipher Block Chaining mode)