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Question 1

firewall

Answer 1

a system designed to prevent unauthorised access to your computer when connected to a authorised to a connected to a network such as the internet

Question 2

anti-malware software

Answer 2

software designed to prevent, detect and remove malware

Question 3

encryption

Answer 3

for security, data is translated into a secret code according to a set of rules in a special ‘key’. To convert the data back into plain text, the receiver must also have key

Question 4

penetration testing

Answer 4

used to test a computer system or network in order to find vulnerabilities that an attacker exploit

Question 5

network forensics

Answer 5

monitoring, recording and analysis of network events such as who has logged in, how many unsuccessful attempts have been made, what users have done and what has been deleted. Network forensics can identify unusal network activity. The anlaysis can be used as legal evidence if illegal activity can be detected.