The CIA Triad.

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Briefly explain the CIA Triad.

Briefly explain the difference between IPv4 and IPv6. Provide at least two benefits of each.

Explain the difference between an intrusion detection system vs an intrusion prevention system.

Sample Solution

The CIA Triad is a fundamental model used to ensure information security.

It consists of three core principles:

 

Confidentiality: Protecting information from unauthorized access. This involves ensuring that only authorized individuals can view and use sensitive data.

 

Integrity: Maintaining the accuracy and completeness of information. This means preventing unauthorized modification of data and ensuring that data is consistent and reliable.

 

Availability: Ensuring that information and systems are accessible to authorized users when needed. This involves preventing system failures and downtime.

 

IPv4 vs IPv6

IPv4 and IPv6 are the two versions of the Internet Protocol (IP) used to address devices on a network.

 

IPv4

  • 32-bit address space: Limited number of available addresses.
  • Widely deployed: Still the dominant protocol in use.

 

IPv6

  • 128-bit address space: Vastly increased number of available addresses.
  • Improved security: Built-in security features like IPsec.

Intrusion Detection System (IDS) vs Intrusion Prevention System (IPS)

Both IDS and IPS are designed to protect networks from cyber threats.

 

IDS: Monitors network traffic for suspicious activity and generates alerts. It acts as a watchdog, detecting potential threats but not preventing them.

 

IPS: Goes beyond detection by actively preventing intrusions. It can block malicious traffic, isolate infected systems, and automatically respond to threats.

 

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