Security remains one of the biggest challenges in wireless enterprise. In todays connected world, almost everyone has at least one internetconnected device. By and large the common security threat remains vulnerability of wireless transmission interception and to impersonation aimed at stealing identity information and its subsequent exploitation to gain advantage on behalf of the genuine user. 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. If an employee trusted entity brings in a wireless router and plugs it into an unsecured switchport, the entire network can be exposed to anyone within range of the signals. Sep 01, 2002 however, two rather large, threatening security holes have been discovered. As wireless lan are less secure, more vulnerable to attack. Viruses viruses are generally not a security threat to the computers on your lan although they can cause plenty of problems. Outline this paper describes some security properties of wireless local area networks.
Security risk assessment and countermeasures nwabude arinze sunday v acknowledgement i am grateful to god almighty for his grace and strength that sustained me through out the duration of this work, thereby making it a success. Pdf this paper provides a survey of the different techniques that can be used to strengthen security in wireless local area. Apr 14, 2010 banning wireless access completely has been the typical first reaction to this problem in most agencies. Dr bogdan ghita is a senior lecturer within the network research group at the university of plymouth, where he has supervised a number of projects relating to the use and security of wireless lan systems. Wireless lan is the unguided data communication network within a boundary of place. General security issues of wireless networks network security issues, whether wired or wireless, fall into three main categories. Wireless local are network security wlan security is a security system designed to protect networks from the security breaches to which wireless transmissions are susceptible. Wireless local area network security edith cowan university. Strong wireless network passwords are essential for home. Special thanks go to my supervisor, fredrik erlandsson, for his support and guidance. Wireless lan infrastructure planners should investigate the level of security built into vendors hardware. Wireless security is just an aspect of computer security. With the number of these devices on the rise, it is important to implement a security strategy to. Apr 22, 2008 its worthwhile remembering that a large number of factors affect wireless lan performance and many will apply equally to 802.
Group meetings wireless lan advantages flexibility. May 02, 2018 there is a lot of debate about wifi speeds and whether they can offer higher potential speeds than a cable connection, but in practice ethernet connections turn out to be not only faster but also. There is light at the end of the wlan wireless lan security tunnel. Broadly, security concerns in the wlan world are classified into physical and logical. Make use of a wireless transmission medium tipically restricted in their diameter. Existing solutions for wireless lan networks have been exposed to.
Below are some, but not an allinclusive list of the more common issues and factors affecting wireless network performance along with a few helpful suggestions. However, over the last six or seven years, the trend is toward wireless, he said. There may have been several factors contributing to the low number of. Usability pitfalls in wireless lan security sciencedirect. Wireless network security is a concern for your home network, when you use a public wifi hotspot, and for businesses that use wireless. There is an emphasis on security issues and the available security protocols. The security mechanisms of wireless lans were not within the scope of this work. This chapter discusses how to design a wireless network, and.
So even if the wireless lan was attacked, the core network can. For virus protection in wireless environment, go here. Common wireless network security threats pluralsight. Wireless security issues a main issue with wireless communication is unauthorized access to network traf. Sep 30, 2010 for commercial providers it should to be isolated wireless network. Wireless risks wireless all of the above concerns plus an increased risk of eavesdropping and transmitting. Dr ghitas wider research interests encompass a range of networking and security related issues.
The paper overviews both physical and logical wlans security problems. Wireless networks are extremely vulnerable to dos attacks even when using modern security mechanisms, which can cause a wlan to slow to crawling speeds or even quit working. Reasons for wireless network performance problems flexradio. In some sensitive areas, such as military networks and the federal aviation administration, they still tend to have nowireless zones, sinha said. Its worthwhile remembering that a large number of factors affect wireless lan performance and many will apply equally to 802. While some of them use wires and others use proprietary communications methods albeit wireless, we are going to focus on wifi and wifi security issues. An unsecured wireless network combined with unsecured file sharing can spell disaster. Section ii handles the basics of a wireless network configuration. Human factors such as lack of awareness and lack of adherence to. Wifi is the name given by the wifi alliance to the ieee 802. The first is eavesdropping, which is also known as sniffing. There is a lot of debate about wifi speeds and whether they can offer higher potential speeds than a cable connection, but in practice ethernet connections turn out to.
While the security problems associated with wireless networking are serious, there are steps you can take to protect yourself. Sp 80014 lists seven major security concerns for mobile devices. Business in the wireless decade wireless solutions critical success factors true endtoend integration across whole solution, spanning the devices, applications, wireless networks and wireline components reliability across all levels security of a data session across all components support and management of all components. Under these conditions, a malicious user could access any directories and files you have allowed for sharing.
Passive capturing is performed by simply getting within range of a target wireless lan and then listening and capturing data. This research will investigate the performance and security issues of an ieee 802. This study was initiated to determine how wlan security issues affect organisations in. Explore wireless lan security with free download of seminar report and ppt in pdf and doc format. Wireless communications offer organizations and users many benefits such as portability and flexibility. 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 2015 2016. This causes a company thats dependent on a wlan to experience delays, which can be costly for some applications, such as wireless security cameras, inventory systems. We use cellular phones, tablets, laptops, gaming systems, and cars to do so. Security issues and solutions rafidah abdul hamid gsec 5 set up whenever two or more wireless adapters are within range of each other. Wireless lan security seminar report, ppt, pdf for ece students. The second is gaining access to a lan and its resources through hacking. This type of security is necessary because wlan signals have no physical boundary limitations, and are prone to illegitimate. These tradeoffs make troubleshooting and determining the root cause of wireless network performance issues a challenging undertaking. In addition to preventing uninvited guests from connecting to your wireless network, wireless security protocols encrypt your private data as it is being transmitted over the airwaves.
Wireless lan implications, problems, and solutions security. These wireless security protocols include wep, wpa, and wpa2, each with their own strengths and weaknesses. Wep vs wpa vs wpa2, and default ssid usage among others. Depending on the wireless technology, nearby can be lineofsight, same room, outside a building, within a few miles. Because of the demands of the protocol, and the multiple factors.
Cse497b introduction to computer and network security spring 2007 professor jaeger page wap wireless application protocol a set of protocols for implementing applications over thin read wireless pipes. Figure 1 shows the architecture of independ ent wlan. The components, organization, and operation of wifi networks will be presented. However, this paper only handles networks based on the ieee 802. Get more information about wireless lan security ppt by visiting this link.
Wireless networks security threats all the interviewees commented that. Wireless network security threats and mitigationa survey. Various wireless security protocols were developed to protect home wireless networks. Interference weakens wireless signals and therefore is an important consideration when working with wireless networking. Factors affecting wireless signals because wireless signals travel through the atmosphere, they are susceptible to different types of interference than standard wired networks. Issues based on wep implementation weak iv fms paper, july 2001 key derivation via monitoring airsnort key derivation via bit flipping uc berkley, feb. Wireless networks introduce additional security risks. Therefore, companies often put the wireless lan outside the security shell of the core network. Service development has two sides, with the wireless lan applications. Some of the key factors contributing to the higher security risk of wireless networks. Other potential issues with configuration include weak passphrases, weak security deployments i. Other issues also affect security in first generation wlans.
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