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The notion of this case study is to discuss the technical solution that Nortel IT made use of for securing remote endpoints using Virtual Private Network (VPN) Tunnel Guard. It is an in-depth analysis of the Nortel IT Implementation Steps that explains how the organization manages the project and minimizes the business impact of deploying VPN Tunnel Guard. Thousands of Nortel employees access the company's network through a VPN. The company has eighteen percent of the remotely connected devices that are employee-owned computers that do not run the corporate-issued, standard software for secure remote access. The remote access infrastructure of the organization is based on Nortel VPN Routers and Nortel VPN Gateways, so it allowed VPN Tunnel Guard on all VPN access points to make sure that endpoints are correctly protected before they connect the company network. This makes certain the accessibility of modernized operating system, anti-virus protection, and firewall software on all remote devices. Nortel IT talked about in the paper has developed a diagnostic tool to computerize most of the remediation on individual computers. This implementation improved IT security. VPN Tunnel Guard discussed in this paper ensures that all computers accessing their network remotely are properly protected. The company's security was improved from 80 to 100 percent. The implementation of VPN Tunnel Guard has reduced the malware incidence rate on the company's corporate network with low costs.
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