Lesson 06 Research Assignment
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Palm Beach State College *
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1712
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Information Systems
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Feb 20, 2024
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Analysis of Network Protection Technology: Intrusion
Detection/Prevention System
Claudia Mesa
Palm Beach State Collage
CNT 4408 1 Information System Security
Dwight Elliott
February 12th. 2024
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Analysis of Network Protection Technology: Intrusion Detection/Prevention System
In today's digital landscape, network protection technologies play a critical role in safeguarding organizational assets against cyber threats. Among these technologies, Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) are integral components of a robust cybersecurity infrastructure. This analysis aims to examine a sample network diagram from a vendor's website pertaining to an IDS/IPS solution. By dissecting the fundamental assumptions underlying the implementation of the technology, we can gain insights into its functionality, placement, and operational requirements.
Fundamental Assumptions of the IDS/IPS Solution
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Deployment Mode: The first fundamental assumption to consider is the deployment mode
of the IDS/IPS solution. The network diagram should clarify whether the system functions inline or out of band. In an inline deployment, the IDS/IPS sits directly in the data path, actively inspecting and potentially blocking malicious traffic in real-time. Conversely, an out-of-band deployment involves the IDS/IPS monitoring a copy of network traffic without directly interfering with the data flow. Understanding the deployment mode is crucial for assessing the impact on network latency, scalability, and overall effectiveness of threat detection and prevention.
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Traffic Visibility: The IDS/IPS solution relies on comprehensive traffic visibility to accurately identify and respond to security threats. Therefore, the network diagram should illustrate the points of traffic interception or monitoring within the network architecture. This includes ingress and egress points, network segments, subnets, and 2
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critical infrastructure components where the IDS/IPS sensors are deployed. By mapping out the traffic flow, organizations can ensure adequate coverage and visibility across the network to detect intrusions and suspicious activities effectively.
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Integration with Network Infrastructure: Integrating the IDS/IPS solution seamlessly into the existing network infrastructure is essential for optimizing performance and minimizing disruptions. The network diagram should depict how the IDS/IPS interacts with routers, switches, firewalls, and other security appliances within the network topology. Furthermore, it should highlight any integration points with cloud environments, virtualized infrastructure, and software-defined networking (SDN) components. By understanding the integration requirements, organizations can streamline
deployment processes, configure traffic policies, and orchestrate response actions more effectively.
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Scalability and Redundancy: Scalability and redundancy are critical considerations for deploying IDS/IPS solutions in dynamic and high-availability environments. The network
diagram should outline the scalability limits of the IDS/IPS architecture, including the maximum throughput, number of concurrent sessions, and supported protocols. Additionally, it should illustrate the redundancy mechanisms such as failover clusters, load balancing, and geographic distribution of sensors to ensure continuous protection against downtime and service disruptions. Scalability and redundancy features enhance the resilience of the IDS/IPS infrastructure and accommodate the evolving demands of modern network environments.
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In conclusion, analyzing a sample network diagram of an IDS/IPS solution enables organizations
to identify the fundamental assumptions underlying its implementation. By examining factors such as deployment mode, traffic visibility, integration with network infrastructure, scalability, and redundancy, organizations can make informed decisions regarding the selection, deployment,
and optimization of IDS/IPS technologies. As cyber threats continue to evolve, leveraging robust
network protection technologies becomes imperative for safeguarding sensitive data, preserving business continuity, and maintaining the trust of stakeholders in an increasingly interconnected world.
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References
Ciampa, M. (2017). CompTIA Security+ Guide to Network Security Fundamentals. Cengage Learning.
August 4, 2020. (n.d.). How Cybersecurity Can Advance Organizational Objectives. Retrieved from [https://www.wwt.com/article/cybersecurity-business-enabler?
utm_campaign=wwt2128_security_article_ps_1_search&utm_source=google&utm_medium=cp
c&utm_content&gclid=Cj0KCQiAw9qOBhC-ARIsAG-
rdn4USoKZdhV0l0st0aCy8yesR7YvZHlOwqwwExPiQ9H-DBDJJuQbnSkaAsmOEALw_wcB]
Introduction to Azure Security. (2023, October 22). Retrieved from [https://learn.microsoft.com/en-us/azure/security/fundamentals/overview#networking]
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