5.3 - Cyber Security Flashcards
1
Q
What are brute force attacks? [3]
A
- type of cyber security attack
- tries to guess a password or encryption key
- does this by trying every possible combination of characters
2
Q
What is data interception? [3]
A
- type of cyber security attack
- steals data as it’s being transmitted between 2 computers
- uses packet sniffing
3
Q
What is packet sniffing? [3]
A
- cybercriminals examine data packets being sent over a network using this
- it find the contents of the data packet
- it is then sent back to the cybercriminal
4
Q
What are DDOS attacks? [3]
A
- type of cyber security attack
- floods websites and servers with internet traffic
- this prevents users from accessing online services and sites
5
Q
What is botnet? [2]
A
network of compromised computers controlled by hacker
6
Q
What is hacking? [3]
A
- type of cyber security attack
- they get illegal access to computer system
- without the user’s permission
7
Q
What is ethical hacking? [3]
A
- legal hacking
- used to fix flaws of computer systems and networks
- gains access to them
8
Q
What does DDOS stand for? [4]
A
Distributed Denial of Service
9
Q
What is malware? [3]
A
- programs installed on a user’s computer
- aims to delete, corrupt, or manipulate data illegally
10
Q
What are the 6 types of malware? [6]
A
- virus
- worms
- trojan horse
- spyware
- adware
- ransomware
11
Q
What is a virus? [3]
A
- programs copy themselves
- causes computer to malfunction
- requires an active host in the computer before causing damage
12
Q
What is a worm? [3]
A
- stand alone malware
- can corrupt whole networks
- doesn’t need an active host
13
Q
What do worms come as? [1]
A
message attachments
14
Q
What is a trojan horse? [3]
A
- program disguised as legitimate
- has to be executed by user
- after installing it = access to user’s personal information
15
Q
What does a trojan horse come as? [1]
A
16
Q
What is spyware? [3]
A
- software that monitors user’s activities on computer
- gathers unformation
- sends back to cybercriminal