Cyber Security

Question 1

Network security

Answer 1

Measures taken to protect network data

from malicious damage

Question 2

Encryption

Answer 2

Conversion of data into cyphertext,
that cannot be understood by
people without the decryption
key.

Question 3

Compression

Answer 3

reducing file size to
allow more data to be
stored on the disk,
increasing transfer speeds.

Question 4

Archiving

Answer 4

The process of storing data that
is not in current use for security,
legal or historical reasons.

Question 5

Cybersecurity

Answer 5

Measures that are
taken to protect computer
systems from cyberattacks.

Question 6

Cyberattack (D e a d s acronym including g)

Answer 6

An attempt to expose, alter, 
disable, destroy, steal or gain 
unauthorized access to data on 
a computer system or smart 
device.

Question 7

Malware

Answer 7

MALicious softWARE; any kind of computer

software written to enable a cyberattack

Question 8

Cookies

Answer 8

Data downloaded from a
website that allows the website
to identify the computer.

Question 9

Protection against malware ( L.u.u.k.i)

Answer 9

• Install anti-virus software
• Use a firewall
• Keep the operating system up to date
• Use the latest version of browsers
• Look out for phishing emails.

Question 10

Shoulder

surfing

Answer 10

Using direct observation to get information.

Question 11

SQL Injection

Answer 11

commands that can alter SQL statements and compromise

the security of information in a database.

Question 12

Denial of

Service (DoS)

Answer 12

Making a website or server unavailable to
legitimate users, by filling a system with
fake requests.

Question 13

Password

attacks

Answer 13

Brute force or dictionary attacks to discover

passwords.

Question 14

IP Spoofing

Answer 14

Changing the IP address of a site so that a
visitor is taken to a fraudulent or spoofed web
page.

Question 15

Social

engineering

Answer 15

Deception such as phishing. Tricking a user

into giving out sensitive information.

Question 16

Network policies (policy)

Answer 16

acceptable use policies, rules for using a network, a backup policy for, making regular backups, archiving and
implementing an effective Disaster Recovery Plan

Question 17

Lossless compression

Answer 17

uses an algorithm that compresses data

into a form that may be decompressed without any loss of data.

Question 18

Lossy compression.

Answer 18

Compressing file size by discarding some of

the data.

Question 19

The compression ratio equation

Answer 19

Compression ratio = (/ = divide)

Original file size/Compressed file size