Security and Cryptography

Question 1

can reformat and transform our data, making it safer on its trip between computers

Answer 1

Cryptography

Question 2

This type of attack involves trying every possible combination of characters until the correct one is found

Answer 2

Brute-Force Attacks

Question 3

is malicious software that can infect computers and steal data, install backdoors, or perform other harmful actions.

Answer 3

Malware

Question 4

Types of Malware

Answer 4

Viruses, Worms, Trojans

Question 5

is a type of social engineering attack where attackers try to trick people into revealing sensitive information by posing as a legitimate entity, such as a
bank or email provider.

Answer 5

Phishing

Question 6

This type of attack involves intercepting communication between two parties and modifying or eavesdropping on the data being transmitted

Answer 6

Man-in-the-Middle Attacks

Question 7

exploit weaknesses in the physical implementation of cryptographic algorithms, such as power consumption or electromagnetic radiation, to extract sensitive information.

Answer 7

Side-Channel Attacks

Question 8

Are weaknesses or vulnerabilities in cryptographic algorithms or protocols that can be exploited by attackers to compromise security

Answer 8

Cryptographic Flaws

Question 9

are security risks that come from within an organization, such as employees or contractors with access to sensitive information who may intentionally or unintentionally disclose it.

Answer 9

Insider Threats

Question 10

involve overwhelming a system or network with traffic or requests, causing it to crash or become unavailable

Answer 10

Denial-of-Service Attacks (DoS)

Question 11

can lead to the compromise of cryptographic keys, making it possible for attackers to decrypt data or impersonate authorized users.

Answer 11

Key Management Failures

Question 12

involve unauthorized access to physical devices or systems, such as stealing a laptop or breaking into a data center

Answer 12

Physical Security Breaches

Question 13

is the practice of securing digital communications by converting plain text into a secret code that can only be read by the intended recipient.

Answer 13

Cryptography

Question 14

is the process of converting plain text into an unreadable format using a cryptographic algorithm and a secret key.

Answer 14

Encryption

Question 15

is the process of converting the encrypted data (ciphertext) back into its original form (plaintext) using the secret key

Answer 15

Decryption

Question 16

An asymmetric encryption algorithm that uses a pair of public and private keys for encryption and decryption

Answer 16

Rivest-Shamir-Adleman (RSA)

Question 17

A symmetric encryption algorithm widely used in secure communications that uses a shared secret key for encryption and decryption.

Answer 17

Advanced Encryption Standard (AES)

Question 18

A symmetric encryption algorithm that is popular in software and hardware encryption applications

Answer 18

Blowfish

Question 19

A family of cryptographic hash functions used to ensure data integrity and authenticity.

Answer 19

Secure Hash Algorithm (SHA)

Question 20

is a form of encryption that uses the same secret key for both encryption and decryption of data

Answer 20

Symmetric Key Cryptography

Question 21

also known as secret key cryptography

Answer 21

Symmetric Key Cryptography

Question 22

Symmetric Key Cryptography is also known as ______

Answer 22

Secret Key Cryptography

Question 23

is a shared secret between the sender and the recipient of the message, which is used to scramble the original message into ciphertext and then unscramble it back into its original form.

Answer 23

Key

Question 24

Three steps of symmetric key cryptography

Answer 24

Key Generation
Encryption
Decryption

Question 25

A widely used encryption algorithm that uses a 56-bit key and operates on 64-bit blocks of data.

Answer 25

Data Encryption Standard (DES)

Question 26

A more secure encryption algorithm that uses a 128-bit, 192-bit, or 256-bit key and operates on 128-bit blocks of data.

Answer 26

Advanced Encryption Standard (AES)

Question 27

Another widely used encryption algorithm that uses a variable-length key of up to 448 bits and operates on 64-bit blocks of data.

Answer 27

Blowfish

Question 28

is a cryptographic system that uses two separate keys for encryption and decryption.

Answer 28

Public Key Cryptography

Question 29

Also known as asymmetric cryptography

Answer 29

Public Key Cryptography

Question 30

Public Key Cryptography is also known as _____

Answer 30

asymmetric cryptography

Question 31

This is one of the most widely used public key encryption algorithms.

Answer 31

Rivest-Shamir-Adleman (RSA)

Question 32

Who invented the Rivest-Shamir-Adleman (RSA)

Answer 32

Ron Rivest
Adi Shamir
Leonard Adleman

Question 33

This algorithm is used for key
exchange and is often used in combination with other algorithms for encryption and authentication.

Answer 33

Diffie-Hellman

Question 34

This is a newer algorithm that is gaining popularity due to its smaller
key sizes and faster performance

Answer 34

Elliptic Curve Cryptography (ECC)

Question 35

This algorithm is used for digital signatures and is often used in conjunction with other encryption algorithms

Answer 35

Digital Signature Algorithm (DSA)

Question 36

is a cryptographic technique used in cybersecurity to ensure the authenticity and integrity of digital documents or messages.

Answer 36

Digital Signatures

Question 37

serves as a tamper-proof seal that verifies the identity of the sender and confirms that the document or message has not been altered in transit.

Answer 37

Digital Signature

Question 38

Two Keys

Answer 38

private key and public key

Question 39

is kept secret and only known to
the owner of the signature

Answer 39

private key

Question 40

is freely distributed and can be used by anyone to verify the signature

Answer 40

public key

Question 41

a widely-used public-key encryption algorithm that can also be used for digital signatures

Answer 41

Rivest-Shamir-Adleman (RSA)

Question 42

a public-key algorithm specifically designed for creating and verifying digital signatures.

Answer 42

Digital Signature Algorithm (DSA)

Question 43

a variant of DSA that uses elliptic curve cryptography.

Answer 43

Elliptic Curve Digital Signature Algorithm (ECDSA)

Question 44

another variant of DSA that uses Edwards-curve cryptography.

Answer 44

Edwards-curve Digital Signature Algorithm (EdDSA)

Question 45

refers to the processes and techniques used to generate, distribute, store, use, and revoke cryptographic keys.

Answer 45

Key Management

Question 46

are essential for ensuring the confidentiality, integrity, and authenticity of data, and key management is critical to the security of cryptographic systems.

Answer 46

Cryptographic Keys

Question 47

This approach involves manually generating, distributing, and revoking keys.

Answer 47

Manual Key Management

Question 48

In this approach, a trusted third party is responsible for storing and managing cryptographic keys.

Answer 48

Key Escrow

Question 49

is a variant of key escrow where the encrypted keys are stored in a way that allows authorized individuals to recover them if they are lost or stolen.

Answer 49

Key Recovery

Question 50

This approach involves the use of automated systems to generate, distribute, and manage keys.

Answer 50

Automated Key Management

Question 51

This approach combines different key management techniques to create a customized solution that meets the specific security requirements of an organization.

Answer 51

Hybrid Key Management

Question 52

Best Practices for Security

Answer 52

• Use Strong Passwords
• Keep Software Up-to-date
• Install Anti-Virus Software
• Use Two-Factor Authentication
• Limit Access
• Educate Employees
• Backup Data
• Monitor Activity
• Encrypt Sensitive Data
• Conduct Regular Security Assessments