cybersecurity

Question 1

firewall

Answer 1

separates trusted network from untrusted network (normally the Internet)

data is sent around a network in small packets of information
- these packets are checked to see where they are coming from and going to
- packets that don’t match filtering rules are dropped

the firewall will detect packets from malicious computers

Question 2

what can a firewall be ran on (two types and their disadvantages)

Answer 2

firewalls can be run on dedicated hardware or as software
- this may be a dedicated unit to the task of being a firewall
- alternatively, it may be built into other devices such as a home Wi-Fi router

Dedicated hardware firewalls are expensive

Software firewalls will slow down a computer

Question 3

firewall capabilities

Answer 3

Prevent attackers from gaining access to computers on a network

Can block certain malicious computers by filtering packets from a certain IP (Internet Protocol) address

Can prevent access to certain ports on the network. This is known as port blocking

Malicious or inappropriate websites can be blocked

Question 4

aup (acceptable use policy)

Answer 4

lets everyone in an organisation know the rules related to their IT systems.

it aims to:
Improve system security by getting people to act correctly
Explain what happens if people act incorrectly

Question 5

data protection act

Answer 5

Data Protection Act (2018) gives a number of rights:

The right to view data stored about you by organisations

The right to withdraw consent – this allows you to be removed from a mailing list

The right to make changes to your data if it is inaccurate

The right to be forgotten – this allows you to delete your personal data