Topic 26 - Protecting data: tools and techniques

Question 1

Why are tools and techniques used?

Answer 1

• There are many tools and techniques we can use for protecting data stored and transferred using IT systems.

Question 2

What are software and hardware used?

Answer 2

• Software and hardware tools are one important approach, as well as techniques and processes

Question 3

What are the techniques used for promoting data?
(Techniques for protecting data)

Answer 3

• Back and recovery procedures
• Passwords
• Physical access control
• Digital certificates
• Protocols
• File permission and access levels

Question 4

What does Back and recovery procedures ensure?
(Techniques for protecting data)

Answer 4

Back and recovery procedures - Ensure that data can be recovered following any loss of data

Question 5

What are Passwords?
(Techniques for protecting data)

Answer 5

Passwords - Limit access by ensuring users keep a secure password to access system

Question 6

What does Physical access control prevent?
(Techniques for protecting data)

Answer 6

Physical access control - Prevent unauthorised access using locks, biometrics, etc.

Question 7

What does Digital certificates allow?
(Techniques for protecting data)

Answer 7

Digital certificates - Allow secure data transfer using public key encryption

Question 8

What does Protocols mean?
(Techniques for protecting data)

Answer 8

Protocols - Define data transfer processes to ensure secure transfer

Question 9

What Protocols File permission and access levels ensure?
(Techniques for protecting data)

Answer 9

File permission and access levels - Ensure access is restricted to those who need it

Question 10

What does Biometric authentication identify?
(Techniques for protecting data)

Answer 10

Biometric authentication - identifies individual’s unique fingerprint patterns

Question 11

What are the 3 tools for protecting data?
(Tools for protecting data)

Answer 11

• Antivirus Software
• Firewalls
• Encryption

Question 12

What is the description of Antivirus Software?
(Tools for protecting data)

Answer 12

Detects and removes viruses and other malware from a computer systems

Question 13

What is the reason for using Antivirus Software?
(Tools for protecting data)

Answer 13

Protects systems from all forms of malware

Question 14

What do you need to be aware of when using Antivirus Software?
(Tools for protecting data)

Answer 14

Must be regularly updated new viruses are created regularly.

Question 15

What is the description of Firewalls?
(Tools for protecting data)

Answer 15

Monitors network traffic into and out of an IT system; block suspicious traffic to prevent unauthorised access

Question 16

What is the reason for using Firewalls?
(Tools for protecting data)

Answer 16

Firewalls are key in preventing hacking attempts as well as worms

Question 17

What do you need to be aware of when using Firewalls?
(Tools for protecting data)

Answer 17

Firewalls are not 100% effective - security holes can be exploited, e.g. in outdated software

Question 18

What is the description of Encryption?
(Tools for protecting data)

Answer 18

The conversion of data into an unreadable code known as ciphertext

Question 19

What is the reason for using Encryption?
(Tools for protecting data)

Answer 19

The most effective form of security, as encrypted data cannot be read without the encryption key

Question 20

What do you need to be aware of when using Encryption?
(Tools for protecting data)

Answer 20

Encryption keys must be maintained and kept secure. A lost key means the data is irretrievable

Question 21

Why do we encrypt hard disk?
(Encryption of stored and transmitted data)

Answer 21

• We encrypt our hard disk so that anyone who gains access to our system (a hacker, or someone accessing a stolen device) cannot read our stored data.

Question 22

Why do we encrypt data while is is being transmitted?
(Encryption of stored and transmitted data)

Answer 22

We encrypt data while it is being transmitted so that if it is intercepted it cannot be read