CHAPTER 7

Question 1

Digital security risks

Answer 1

1. Cybercrime
2. Software theft
3. Hardware theft
4. Information theft
5. Internet network attack
6. Unauthorised access use

Question 2

Internet and Network Attacks

Answer 2

1. Adware- a program that displays pop-up window (an online advertisement in a banner)
2. Ransomware- a program that blocks or limits access to a computer
3. Rootkit- a program that hides in a device and allows someone from another location to take control of the device
4. Spyware- a program that hides in a device and secretly collects information and gives them to someone outside
5. Trojan horse- hides in a computer and pretends to be a legitimate program
6. Virus- corrupting or infects a computer and damaging
7. Worm- a program that copies itself repeatedly, an example in memory or on a network and possibly shutting down the device.

Question 3

Name of crimes

Answer 3

1. Hacker
2. Cracker
3. Script kiddie
4. Cyberextortionist
5. Cyberterrorist

Question 4

Botnet

Answer 4

group of compromised computers connected to a network

Question 5

Denial of service attack (DoS)

Answer 5

disrupting a computer by overwhelming the target with a flood of internet traffic

Question 6

man-in-the-middle attack

Answer 6

this attack requires three people, there’s a victim, the victim’s entity which is trying to communicate with the victim and “man-in-the-middle” who’s intercepting the victim’s communication

Question 7

Cookies

Answer 7

small text file that a web stores on your computer

Question 8

Health concerns of computer use

Answer 8

CVS- computer vision syndrome (eye and vision problem)
RSI- repetitive strain injury (inflammation of tendon due to repeated motion)
Computer addiction- when computer consumes your entire social life

Question 9

Safeguards and preventive measures

Answer 9

Firewall- protects a network resources from intrusion by users on another network/ program that protects personal computer data
Secure sockets layer (SSL)- Provides encryption of a data that passes between client and internet server
CA- certificate authority, which verifies digital certificates
Antivirus- design to detect and destroy computer viruses.