Network security design methodology pdf

The best practice assessment methodology used by determined attackers and network security consultants involves four distinct highlevel components. A framework for network security system design semantic scholar. They then provide an indepth analysis of the network security architecture, including the network topology, solution components. This ensures that a structured process is followed and provides the client with a baseline against which the. Developing network security strategies network security. Network design process effective network planning and design.

Besides the above five network security fundamentals, its a good idea to also. Sans analyst program building the new network security architecture for the future 4 therefore, it is paramount to ensure that your security design is architected to maximize visibility that extends beyond. Methodology for network security design ieee conference. Robustness strategy teri arber, nsa deb cooley, nsa steve hirsch, nsa martha mahan, nsa jim osterritter, nsa abstract as commonly perceived, robustness.

Network enumeration to identify ip networks and hosts of interest. A methodology for the design of network security based on the iso 74982 security architecture is defined. The best way to resolve such problem is adopting method of layered. Research surrounding visualization for computer and network security has produced differing accepted methods for adequately developing security visualization products.

The state bar seeks proposals for agency network analysis and a full it security assessment of its network. Cisco networking relies on three main design methods when dealing with network design or network layout. Design and implementation of a network security management. Implementing a new network or security project starts with an evaluation of the requirements and a detailed rendering of the architecture to be used. Pdf design and implementation of a network security model for. Specify a protocol to be used by the two principals that makes use of the security algorithm and the secret information to achieve a particular security service. This document is a request for proposal rfp for network security assessment. Also this paper was conducted the network security weakness in router and firewall network devices, type of threats andresponses to those threats, and the method. An overview of the scheme is available in gsma prd fs. Take time to ensure that this design is wellthoughtout and vetted by other it teams.

Network security in the past few years, weve seen that even the biggest companies are not immune to security breaches. The current work proposes a design methodology that melds the research of the three competing frameworks for security visualization development. This book provides an overview of network security and covers test methodologies that can be used to assess the effectiveness and performance impact of ipsids, utms, and new generation firewalls while they are attacked using threats that include dosddos, exploits based on known vulnerabilities, and malware. Reviews of latest product with an application to an enterprise with worldwide branches. The first two methods in the following list relate to the goal of the network, whereas the third is. Common authentication methods used for network security. The highlevel design service defines the topology, protocols, and equipment required, mapping the design to your needs. Pdf methodology for network security design researchgate. Network securitys made up of the hardware, software, policies and procedures designed to defend against both internal and external threats to your companys computer systems. At a fundamental level, much like a chain, the internet is a collection of organizations business networks interlinked that form the digital infrastructure of the world. As in the oldworld approach, the security policy is developed first and then the network is secured. A network security assessment methodology includes an analysis of your current it management and provides a customized network design solution. Resolving these questions can be vexing if not impracticable in network contexts, raising debate about whether these are suitable means to. The life cycle provides a blueprint to create a network one step at a time.

This section is not here to help you design or build the security of your network. Ppdioo lifecycle approach to network design and implementation. Network security entails protecting the usability, reliability, integrity, and safety of network and data. Bulk network scanning and probing to identify potentially vulnerable hosts. Analysis and design principles building a building b building c core module figure 14 flexible design similarly, a flexible network design must support the. This report presents and describes cyber security assessment methodologies and tools for the evaluation of secure network design for the operation, maintenance, and protection of a modern. A framework for understanding and applying ethical principles. A security assessment methodology by gregory braunton may 5, 2005. In this lesson, well take a look at network security, what it is, what network security design is, best practices, and. At present, handling security emergency mostly depends on manual. In addition, a product that incorporates the proposed design methodology is. Network security is not only concerned about the security of the computers at each end of the communication chain.

Within the context of the network security framework robustness strategy, an isse helps the customer assess the value of his informationassets and the security threat within the operational environment, identify security services necessary to provide appropriate. Instead it provides a framework for rational deliberations towards the design of a transportation network that offers the required quality. Design methodology if network security systems are designed using ad hoc and unpredictable methods, their integrity will be in doubt and the transition to the information age jeopardized. It is a strategy and provisions designed to protect the network infrastructure and the data traversing it. Structure elements high scale level low scale level quality capacity access points network ideal existing collective individual function form and.

In todays economic context, organizations are looking for ways to improve their business, to keep head of the competition and grow revenue. A framework for understanding and applying ethical. Security is very important these days, and it starts at the network level. Network security is essential for homes, government organizations, and enterprises of all sizes. Pdf a methodology for the design of network security based on the iso 74982 security architecture is defined. Network equipment security assurance scheme development and. This security system is monitored, measured and found to be effective in protecting a companys network system from internal and external attacks and to protect it from loss of resources. Security methodology an overview sciencedirect topics. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This document is a request for proposal rfp for network. Systems development life cycle sdlc methodology information technology services july 7, 2009 version 1 authors.

Security risk management approaches and methodology. A formal approach to specify and deploy a network security policy free download pdf from f cuppens, n cuppensboulahia, t sans, aspects in security and, 2005,springer. We give a short outline of the ideas behind this philosophy. A design methodology and implementation for corporate. This methodology evolved as an alternative to the traditional. Companies that want to set a local area network with the benefits mentioned in this thesis and implement them in to their security policy will have a strong secured network. Sans analyst program building the new network security architecture for the future 4 therefore, it is paramount to ensure that your security design is architected to maximize visibility that extends beyond just traditional devices on internal networks.

Big wigs like linkedin, target, home depot and sony pictures have had their systems hacked into, revealing sensitive information of their owners, employees, and clients. Develop a draft high level security plan that will encompass existing privacy, confidentiality and security policies, guidelines, standards, processes and procedures, and incorporate new policy as. In this paper we proposed a secure design and implementation of a network and system using windows environment. The first two methods in the following list relate to the goal of the network, whereas the third is an overall deployment method. Design and implementation of system and network security for an enterprise with worldwide branches seifedine kadry, wassim hassan school of engineering, liu, beirut, lebanon email. This methodology evolved as an alternative to the traditional approach to network security. As a philosophy, it complements endpoint security, which focuses on individual. In the past few years, weve seen that even the biggest companies are not immune to security breaches. When designing the network security system, the following.

In recent years, the emerged network worms and attacks have distributive characteristic. The methodology enforces a problemcentered approach by explicitly defining separate. The design methodology does not consist of a detailed series of directions. Security assessment methodologies sensepost p ty ltd 2ndfloor, parkdev building, brooklyn bridge office park, 570 fehrsen street, brooklyn, 0181, south africa. Sensepost follows a strict methodology when conducting an application security assessment. The security wheel is a concept whereby the corporate security policy forms the hub around which all network security practices are based. Maintain a list of authorized software and prevent users from downloading applications that arent on the list.

Network security is the practice of preventing and protecting against unauthorized intrusion into corporate networks. How to design network eight step design methodology. Cyber security assessment tools and methodologies for the. Please submit five 5 copies of your proposal no later than 4 p. Software inventory applications can track type, version and patch level. The network planning and design methodology describes a process with nine specific steps and a sequence for those activities. Mel barracliffe, lisa gardner, john hammond, and shawn duncan. It is an engineering life cycle that supports technical initiatives such as windows migration, ip telephony and wireless design. Analysis and design principles building a building b building c core module figure 14 flexible design similarly, a flexible network design must support the capability to integrate with other networks for examples, when mergers and acquisitions occur.