Definition of Case Studies
A case study is a particular method of qualitative research. Rather than using large samples and following a rigid protocol to examine a limited number of variables, case study methods involve an in-depth, longitudinal examination of a single instance or event: a case. They provide a systematic way of looking at events, collecting data, analyzing information, and reporting the results.
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Case Studies
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Case Study: Home Network Redesign
When it comes to security, I have the typical hard candy shell and soft gooey center. What I've really needed to do (for a number of years now) is to wipe the slate clean and redesign my network from the ground up. So my goal with this practical is to take a fresh look at my network to make it secure, while maintaining functionally and to do so for as little money as possible.
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Securing the Network in a K-12 Public School Environment
A K-12 school environment presents special needs and requirements, it goes beyond the obvious items such as physical security, routers, sub-netting, firewalls, and anti-virus.
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J.D. Edwards Security using RBAC
By using a variation of a Role-Based Access Control (RBAC) model and adhering to its principles, we were able to provide a quality security definition that met our business needs. The business needs were essentially to follow the CIA definition of security and be flexible enough to provide a granular solution. Confidentiality, integrity and availability requirements led to various security rules to prevent all user access unless specifically granted. Our logical security roles helped provide a granular solution by separating the users' duties into small groups. Even with challenges and obstacles the implementation has been successful.
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Designing a Secure Local Area Network
In order to design and build a well-secured network, many factors must be taken into consideration, such as the topology and placement of hosts within the network, the selection of hardware and software technologies, and the careful configuration of each component. My paper will be an examination of some of the issues in designing a secure Local Area Network (LAN) and some of the best practices suggested by security experts. I will discuss securing a LAN from the viewpoint of the network architect considering three main areas: the network topology which comprises the physical and logical design of the network; securing the routers and switches which connect segments and hosts to form the network; and, finally, some of the emerging and advanced techniques in network security will be examined.
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Secure Computing - An Elementary Issue
This paper was developed as a resource for elementary school technical support personnel responsible for maintaining a safe and secure computing environment. It is meant to provide a context for, and overview of, security issues in elementary school computing. A case is made for developing security policies to protect equipment and data which expand the scope of the familiar Acceptable Use Policy. Common threats to secure computing are identified and steps for mitigation are discussed.
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Securing Sensitive Data in a Research Environment
Dissemination of research data can present challenges for the project staff charged with securing the sensitive data, especially on machines over which they have no administrative control. This case study defines a major risk - deductive disclosure - associated with longitudinal research data and gives an overview of the defense-in-depth security plans I developed to help one research project protect the data they disseminated to researchers around the country who are storing and analyzing the data on a number of different computer systems. I also developed for this research project some "fill in the blank" forms mirroring the security plans to assist researchers who are applying to use the data. These security plans are now being implemented in research environments nationwide. I reevaluate these security plans and forms periodically to ensure current best practices are maintained.
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Case Study in Automating Branches of a Bank
This case study will highlight points that were addressed while automating 85 locations for a bank. These branches had three separate networks, one for each: Automated Teller Machines, IBM developed Systems Network Architecture (SNA) mainframe applications, and a PC based network at eight locations to operate a mortgage application. All three of these networks had outdated technology and were to be combined into one network for increased redundancy, improved security measures and reduced cost. Although we addressed many aspects to complete this project, this document will focus on two specific areas that posed significant security challenges: wireless security and access control/password management.
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Securing the Gold through Better Network Design: A Case Study
I work for a small, privately owned company that specializes in marketing and servicing office equipment. I was hired to introduce new technologies to the sales force in order to enhance the solutions-based selling approach. I was also given the responsibility of assessing, designing and implementing a network design that would allow us to offer more services to the customer base and to the field service personnel. Management wanted to deploy a web-based service for the customers to enable them to access their account information and the company was in need of a network overhaul. Upon initial evaluation, I found no firewall protection for the network. The domain controller and mail server were exposed to the Internet and therefore vulnerable and the company's database management system was not well secured. I felt that setting up the additional services in the existing infrastructure was not wise and presented my assessment to management.
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Case Study: Transforming a Traditional Windows Client/Server Application
Our software firm's financial application was developed on a traditional clientserver model. Individual user workstations run the application (on the Microsoft Windows Operating System) on a local area network against shared file, print, and database servers. Our customer required that remote users from five locations across the country access the application over remote connectivity. They needed to provide an Application Service Provider (ASP) service with these sites accessing the application on central common hardware. It was critical that the individual locations remain logically independent of each other.
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Case Study for Understanding the 30,000 Foot View Before Diving In
This case study addresses the front-end soft topics of information security, which may not be so easily learned. The analysis of the business, the security problems encountered, how they affect the business, and their resolution will be covered. To retain some brevity for this paper, the typical technical procedures will be bypassed, as there are many other good sources for these topics. The goal of this paper will be to provide some insight to help the reader become a bit more business-savvy, where gearing solutions to the needs of the organization will help raise acceptance rates.
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