Discussion: protecting system infrastructure (300 words)

 Instructions:

  1. Research and read the below concepts related to “Principles of Computer security”
    1. Network Fundamentals in Computer security
    2. Infrastructure Security
    3. Authentication and Remote Access
    4. Wireless Security and Mobile Devices
    5. Intrusion Detection Systems and Network Security

2. Respond to the following prompts and questions:

  1. Identify the security components necessary to protect the information systems infrastructure. What key hardware components should be implemented?
  2. Why are authentication methods important in assuring that only authorized users are accessing the system? Classify the levels of access controls.
  3. Explain the use of an intrusion detection system (IDSs). How does such a system identify an intrusion? Differentiate between network level and host-based IDSs.

3. Your initial post should be at least 300 words and supported with at least three references.

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