Encryption️ Intermediate Quiz 5
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Encryption️ Intermediate Quiz 5
1. What is a "Man-in-the-Middle" (MitM) attack?
Attacker secretly relays and possibly alters communications between two parties
Physical theft of a computing device used to store highly sensitive user data
Observing a user as they type their password into a public workstation terminal
2. What is "Side-Channel Attack"?
A targeted attack on the navigation sidebar of a vulnerable enterprise website
Gaining unauthorized access to a computer system through social media profiles
Gaining secret data from physical system traits like timing or power usage
3. What is a "Replay Attack"?
Watching a screen recording of a previous hacking attempt for research purposes
Maliciously repeating or delaying a valid data transmission to gain access
Deleting a critical system file and immediately restoring it from a backup log
4. What is "Cold Boot Attack"?
Retrieving encryption keys from a computer's RAM after it has been powered off
Attempting to start a legacy computer system in an environmentally cold room
A malicious software virus that causes the operating system screen to freeze
5. What is a "Dictionary Attack"?
Researching the linguistic definition of various encryption terms in a manual
An automated tool used to find and correct spelling errors within a password
Defeating a cipher by testing every word in a pre-defined list of passwords
6. What is "Known-Plaintext Attack" (KPA)?
An attack launched where the hacker knows the legal name of the target user
An attack where the hacker has both the plaintext and the encrypted version
A method used to guess user passwords based on frequently used common words
7. What is "Length Extension Attack"?
Using Hash(m1) to calculate Hash(m1 + m2) without knowing the original secret
Making a password artificially longer to trick a server into a buffer overflow
A specialized administrative tool for extending the duration of a VPN session
8. What is "Padding Oracle Attack"?
A specialized exploit targeting a legacy database server named Oracle Database
Adding extra physical padding material to protect a server inside a datacenter
Using padding validation of a message to decrypt data without the secret key
9. What is "Salting and Peppering"?
A slang term for preparing hardware components for use in a clean datacenter
Password security methods stored in the database and the system source code
Deleting a stored user password and then recreating it using a recovery token
10. What does "Cryptanalysis" mean?
Analyzing information systems to find hidden aspects or break security codes
The professional study of writing and implementing new encryption algorithms
A specialized type of high-security hard drive used for governmental storage
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