cyber security expert

You work as a design engineer at 0XYGEN consulting. The company has recently received a request for a proposal from an International law firm (Fenwick Inc) regarding a potential business opportunity in the greater Newcastle area. Your task is to propose, design and implement a secure Unified communication (UC) system that meets customer’s requirements. BACKGROUND INFORMATION: Fenwick Inc. has a very ambitious plan to open 3 large offices within the greater Northeast England. At present the offices’ location are suggested as South Shields, Newcastle and Gateshead area. In order the keep consistency for brand name each location will be constructed and designed using the same specification. The company employs 450 solicitors globally with 150 new members of staff to be distributed in the three new offices. The HQ is situated in Washington DC. The company seeks to unify all communication tools into a single framework in a sense that uniform and secure communication between the employees through phone call, video conferencing and email can be achieved. They also requested the ability for collaboration on a dynamically distributed environment and the ability to exchange critical and sensitive information securely by email, voicemail and text messages via converged desktops and presence-awareness for each employee. The opportunity for the company to streamline communications between different departments in different geographical locations and with users with different technological proficiency is a top priority. The managing directors have agreed that a full convergence of communication systems and unified messaging is the most cost-effective solution that can be performed in stages as the relevant project ROI justifies the expense. Based on their vision for their new unified communication system the following requirements are set for the communication channels to be tightly integrated with business processes: • A differentiation of services and classes of applications and their requirements must be achieved from the solution(s) to be proposed. • Session Initiation Protocol (SIP) should be the basis for multiple services and advanced VoIP communication systems installed on a fully converged IP network. • Maximum effort should be placed to maximise the secure interactions between different services and protocols used / proposed in the unified communication system(s). • Allow management to aware of daily activities without imposing new reporting requirements. • Advanced user notification systems for each particular service must also be considered as a strategic decision to increase the number of clients that can be reached. • Achieving and call detail record capabilities to retain VoIP, Instance messaging and meeting usage statistics. • Authenticated users on a domain can participate in on premise conferencing on a trusted partner domain without authentication credentials. The company wants to implement the new Unified communication system using both wired and wireless technologies in the optimal security settings. The Newcastle site will also act as the central site for the region hosting all servers required. “Your job is to design a secure, reliable, efficient and cost effective Unified communication system for Fenwick” Company’s existing communication tools • Microsoft Office suite • TDM-based communication technologies • E-mail • Employee’s mobile • Google Handouts • GoToMeeting • TeamViewer and DeskAway Project Deliverables: Written Group Report Project Report: The project report should provide your design and recommendations for the planned network. Please pay attention to the following points in designing your UC security solution and preparation of report; • Executive Summary: Provide an executive summary [200 words] • UC Threat Modelling: Identify the threats, attacks arising from the proposed description of the Unified Communication with SIP security issues raised in your design/proposal. Create and discuss a taxonomy of those threats relevant to your design and propose suitable mitigation plans with clear references to the literature. [2500 words excl. figures and tables] • Design Specifications and ethical considerations: Since the network would carry sensitive communication, security and privacy is a top priority in your unified communication system. You must provide a clear rationale and motivation for the technology/technologies you would select for the proposed network. Provide clear evidence on how secure integration with existing desktop productivity tools is achieved with full financial justification including a detailed L3 logical network diagram. You should also discuss legal, ethical and social requirements/aspects around the requirements posted by Fenwick Inc. [4000 words excl. figures and tables] • Conclusion: Design recommendations, summary of key points/findings from your investigation [300 words