Overview part i wireless networksa first look 5 1 introduction to wireless networks7 2 wireless network configurations33 3 overview of the ieee 802. There has been a serious problem with security issues since the. Wireless local area networks wlans based on the wifi wireless fidelity standards are one of todays fastest growing technologies in businesses, schools, and homes, for good reasons. The lan user has at their disposal much more information, data and applications than they could otherwise store by themselves. In some cases the network name is identical to the name of the router for example, my router is a. Select manually connect to a wireless network and press the next button. Be able to enforce a no wifi policy per subnet and across multiple subnets. In the connect to a network window, click on set up a connection or network, like shown in the above screenshot. The wireless lan industry is focused on improving security.
The wnlu554 provides advanced security features including 64128bit wep, wpa. Explore wireless lan security with free download of seminar report and ppt in pdf and doc format. The frequency at which such signals are transmitted is called the ism industrial, scientific and medical band. How to setup a wireless connection free easytofollow. Nist special publication 80048 wireless network security 802. Securityrelated websites are tremendously popular with savvy internet users. But, if you do, watch out for the developments on the security front of 802. The chapter also deals with defenses against the treats with special. Cisco wireless lan security networking technology pdf. In response, business units and individuals will deploy wireless access points on their own. Security issues and solutions rafidah abdul hamid gsec 2 4. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. Eaptls eap with transport level security uses a certificate on network side uses a certificate on client side ttls tunneled transport layer security uses a certificate on the network side password, token, or certificate on the client side eapfast cisco proprietary do not use known security weaknesses. It is hard to believe that the network computers are to increase the security.
Wireless security is just an aspect of computer security. To build a solid foundation for wlan security, an overview of the ieee 802. In this video, youll learn about multiple approaches to and standards associated with wireless lan security. Broadband router will obtain a new security key every time it connects to the 802. Wireless air cut is a wps wireless, portable and free network audit software for ms windows. Securing a wireless lan this module describes how to apply strong wireless security mechanisms on a cisco 800, 1800, 2800, or 3800 series integrated services router, hereafter referred to as an access point ap, to ensure that a wireless lan is protected against unauthorized access and eavesdropping. You can check if the router has a generic and known wps pin set, if it is vulnerable to a bruteforce attack or is vulnerable to a pixiedust attack. This page contains wireless lan security seminar and ppt with pdf report. Part iii wireless lan implementation focuses on what is perhaps the most important operating scale for wireless networks the local area network.
The wireless lan security program begins with a discussion of common security threats against wlans, and their impact on the enterprise. Wireless security tutorial pdf version quick guide resources job search discussion wireless security is nothing but protecting computers, smartphones, tablets, laptops and other portable devices along with the networks they are connected to, from threats and vulnerabilities associated with wireless computing. Network security is a big topic and is growing into a high pro. Wireless lan security seminar report, ppt, pdf for ece. Sumit thakur ece seminars wireless lan security seminar and ppt with pdf report. It covers various mechanisms developed to provide fundamental security services for data communication. This report gives a brief overview of the most popular forms of. Hardware shall be located out of reach from potential tampering.
A wireless lan wlan is a local area network without physical. Wlans offer a quick and effective extension of a wired network or standard lan. While the security problems associated with wireless networking are serious, there are steps you can take to protect yourself. It is also easy to interfere with wireless communications. This paper is from the sans institute reading room site. Get more information about wireless lan security ppt by visiting this link. Also explore the seminar topics paper on wireless lan security with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year.
Understanding wireless lan security a comprehensive solution through the reefedge connect system overview all signs point to the enterprise of the future as being one in which every laptop, handheld device, and desktop pc is connected wirelessly to the corporate network. Wireless lan security page 1 of 8 wireless lan security peter j. Welcher and marty adkins introduction this article continues the series started last month, with an article introducing wireless lan technology. With a simple access point attached to the wired network, personal computers. Pdf a wireless local area network wlan is being widely recognized as a viable cost effective. Wifi is a type of wireless network you meet almost everywhere, at your home. There are many issues regarding the security of wlans like using radio frequency rf as a medium of transmitting information. Some mistakenly believe wep to be the only component to wireless lan security, but wireless security actually consists of three components. If the link is wireless, then the lan is a wireless local area network wlan. In particular, wlans allow the user to communicate over the network without requiring any cables, enabling mobile devices while removing the expense and effort involved in running cables.
Security risk assessment and countermeasures nwabude arinze sunday 8 transmitted by the sender unit. This is a 1 to 32 alphanumeric character string that is used to identify membership to an access point ap in a wireless local area network wlan. It is used to check the security of our wps wireless networks and to detect possible security breaches. Special thanks go to my supervisor, fredrik erlandsson, for his support and guidance. In the wireless network, eavesdropping is the most significant threat because the attacker can intercept the transmission over the air from a distance away from the premise of the company. As this report and many such others tell, contrary to 802. It is possible to address the those threats and security issues using both software and hardware. In order to examine the wlan security threats, this paper will look at denial. By applying the planet 11n usb wireless lan utility included in the. Wireless security division of computer science, soe page 1 chapter 1 introduction wireless networks are convenient and popular, but without security are easy to hack and leave your data at risk.
The wireless access point acts as a bridge between the wired lan and wireless clients. These unauthorized networks almost certainly lack adequate attention to information security, and present a. Block multiple simultaneous instances of the following. Fortinet secure wireless lan solutions are designed to provide the same awardwinning and thirdpartyvalidated security in every type of deployment, from a standalone ap in an isolated office to a handful of aps in a retail store to hundreds.
Ijcsns international journal of computer science and network security, vol. Companies and individuals have interconnected computers with local area networks lans. Actiontec screenbeam mini2 wireless display receiver sbwd60a01 4. Wireless, lan wlan wireless lan security white paper. This type of security is necessary because wlan signals have no physical boundary limitations, and are prone to illegitimate. A simple jamming transmitter can make communications impossible. Extensible authentication protocol eap with access control services can help secure transactions. Wireless security 7 wifi wireless fidelity wifi refers to wireless local area network, as we all know them.
The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals. In either case, the existing wired network security implementation can be leveraged to ensure that both the wired and wireless networks are secure. Introduction to wireless networks when you invent a new network. With wireless networking, no cables or wires are needed to network your computers and share your internet connection. The attacker can modify the content of the intercepted packets from the wireless network and this results in a loss of data integrity. In reality, the network computers are to share the resources and to address a myriad of threats and security issues. Simplifying without compromising striking a balance between security and costconvenience the corporate network from the rest of the user groups within the enterprise. Wireless network security theories and applications discusses the relevant security technologies, vulnerabilities, and potential threats, and introduces the corresponding security standards and protocols, as well as provides solutions to security concerns. Wireless security penn state college of engineering.754 237 1482 1569 873 1315 495 58 1458 500 1378 857 746 934 1262 197 1461 826 572 755 718 1015 1030 660 739 1093 951 1524 1234 443 418 1003 668 305 1106 1231 547 933 1359 313 1383 334 468 118 1275 1066