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Question 1

What is confidentiality in cybersecurity?

Answer 1

Protecting info from unauthorized access

Question 2

What does integrity ensure?

Answer 2

データの整合性

Question 3

What is non-repudiation?

Answer 3

Preventing someone from denying their actions

Question 4

What does authenticity verify?

Answer 4

Verifying the legitimacy of users or data

Question 5

What is the principle of reciprocity in influence?

Answer 5

Give a target gifts or information in the hope that they reciprocate in a similar way

Question 6

What is pharming?

Answer 6

An attack that redirects users from a legitimate website to a fake one.

Question 7

What is the ‘heart’ of an operating system?

Answer 7

Kernel

Manages hardware resources (disks, RAM, screen, keyboard, network)

Question 8

What is the home directory symbol?

Answer 8

~

Question 9

What is the root directory symbol?

Answer 9

/

Question 10

What are ‘vim’ or ‘nano’ used for?

Answer 10

Edit text files

Question 11

What does ‘ssh’ do?

Answer 11

Run a secure shell to connect to a remote server’s command line

Question 12

What does ‘less’ do?

Answer 12

View the contents of a file

Question 13

What is ‘john’?

Answer 13

Password cracking tool

Question 14

What is ‘nikto’?

Answer 14

Web server vulnerability scanner

Question 15

What is ‘hydra’?

Answer 15

Service brute force attacker

Question 16

What does ISO 27000 refer to?

Answer 16

Information Security Management Systems (ISMS)

Question 17

What does ISO 31000 refer to?

Answer 17

Risk management

Question 18

What is a cipher?

Answer 18

An algorithm for encrypting/decrypting data

Question 19

What is cryptanalysis?

Answer 19

The study of breaking encryption

Question 20

What is cryptology?

Answer 20

Study of cryptography and cryptanalysis

Question 21

What is confusion in cryptography?

Answer 21

A technique to obscure the relationship between the key and the ciphertext

Question 22

What is diffusion in cryptography?

Answer 22

A technique to spread the influence of a single plaintext digit over many ciphertext digits

Question 23

What does MACS stand for?

Answer 23

Message Authentication Codes

Question 24

What does PKI stand for?

Answer 24

Public Key Infrastructure

Question 25

What does TOFU stand for?

Answer 25

Trust of first use

Question 26

What is deterministic in cryptography?

Answer 26

An algorithm that produces the same output for the same input

Question 27

What is pre-image resistance?

Answer 27

出力から入力を予測することが難しいこと

Question 28

What is second-preimage resistance?

Answer 28

A property that makes it hard to find a different input that hashes to the same output

Question 29

What is collision resistance?

Answer 29

A property that makes it hard to find two different inputs that produce the same output

Question 30

What does PRF stand for?

Answer 30

Pseudo-Random Function

Question 31

What does PRP stand for?

Answer 31

Pseudo-Random Permutation

Question 32

What is the Zeus Trojan horse?

Answer 32

Windows, steal information, Awakes when a particular site is accessed

Question 33

What is PsybOt?

Answer 33

Linux based ADSL routers, exploits poorly configured devices

Question 34

What are worms in cybersecurity?

Answer 34

Spread automatically、とてもはやい

Question 35

What is a logic bomb?

Answer 35

Virusとは違い拡散・自己複製しない

Question 36

What is scareware?

Answer 36

Malware that uses fear to manipulate users

Question 37

What is real-time monitoring?

Answer 37

alert system operaters to immediate concerns

Question 38

What is an exploit?

Answer 38

脆弱性を実際に悪用するコードや技術的手法。

Question 39

What is scarcity in influence?

Answer 39

A sense of urgency and limited resources

Question 40

What is 'shasum'?

Answer 40

A command-line utility for generating SHA checksums

Question 41

PRF?

Answer 41

infinite start points, but fixed end point

Question 42

PRP

Answer 42

fixed start points, fixed end point

Question 43

Virus

Answer 43

spread and damage with conditions、ファイルに寄生

Question 44

Logging

Answer 44

can provide deeper level of audit

Question 45

Reciprocity

Answer 45

互恵性、返報性