Network security

Question 1

Types of threats to a network

Answer 1

• Phishing
• Malware
• SQL
• Brute force attack
• Virus
• People
• Spyware

Question 2

Methods of identifying and preventing vulnerabilities

Answer 2

• Network forensics
• Penetration testing
• Encryption
• Secure passwords
• user access levels
• anti-malware
• firewalls

Question 3

What is penetration testing

Answer 3

Testing how resilient the network is against attacks
- authorised users probe the network searching for weaknesses and exploiting them

Question 4

What is network forensics

Answer 4

Involves monitoring the traffic on the network
- Packets of data are copied and stored for late analysis

Question 5

3 purposes of anti-malware software

Answer 5

• To detect malware
• remove malware
• prevent malware being installed

Question 6

What is a firewall

Answer 6

Monitors traffic going in and out of a computer, it either allows traffic to pass or it blocks it
- stops unauthorised traffic entering or leaving a network