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11/09/2019
Human Resources Manager.
11/09/2019

IDS Placement.

Part 1: IDS Placement. (20 points)  Please refer to the accompanying network diagram as you consider and respond to the following:

Global Corporation, Inc. (GCI) is a fictional company providing business services to a variety of clients across many industries, including commercial and government entities. GCI recently finished construction of a new corporate headquarters, which includes the network infrastructure for primary company operations. You are a security analyst specializing in intrusion detection brought in by GCI to help determine the most appropriate kinds of IDS to use and most effective IDS placements to protect their network.

GCI’s network uses a conventional three-zone architecture:  devices exposed to the Internet are part of an un-trusted outer zone; Internet-accessible services such as the company website and email are in a demilitarized zone; and major systems and servers supporting both Internet-facing and internal applications as well as internal computing resources such as the corporate LAN are in a trusted zone. Each of these zones is segmented from the others using hardware-based firewalls; the corporate databases are further protected behind their own dedicated firewall. GCI allows employees remote access to the corporate LAN using either VPN or dial-up connections.

(Attached Image for this question will be in attachments.)

Identify the locations throughout the GCI network where you would recommend IDS to be deployed. Each of the components in the accompanying GCI-HQ Network diagram is lettered to simplify your references to the diagram. For network connections between devices and layers, you may assume for the purposes of this exercise that all components in a given zone share the same network segment. For each placement you recommend, please note the type of IDS to be deployed and any specific considerations that should be taken into account to ensure the effective monitoring of the location.

Instruction Files
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