Cybersecurity | Computer Science homework help

1. Discuss 5 different types of malware.
2. Explain the different types of port scans, and when you would use each.
3. What is the relationship between the following concepts: risk, threat, threat actor, vulnerability, exploit, payload.
4. Discuss one attack and mitigation technique on DNS, and one attack and mitigation technique on DHCP.
5. What are the risks using public WiFi? How does a VPN work?

Discuss the advantages and disadvantages of the different modes of processing (i.e., On Line Transaction Entry (OLTE) and On Line Real Time (OLRT).