Wireless lan security issues pdf

As a network administrator, you need to balance the need of legitimate users to access network resources against the risk of illegitimate users breaking into your network. Security risk assessment and countermeasures nwabude arinze sunday iii abstract wireless lans popularity has been on the rise since the ratification of the ieee 802. Pdf wireless lan security challenges and solutions semantic. Wireless lan security issues and solutions ieee xplore. The loss of an adapter and the compromising of the existing key presents network administrators with the tedious task of manually rekeying all wireless devices in the network. A pointtopoint signal is sent as beam to ir switch that ir switch relays the signals to next ir switch and so forth. Analysis of security issues and their solutions in wireless lan. Special thanks go to my supervisor, fredrik erlandsson, for his support and guidance. Explore wireless lan security with free download of seminar report and ppt in pdf and doc format. The goal of this paper is to discuss the major privacy security issues, attacks, solutions and fundamental security requirements of wireless communication. Intel s wireless lan s eeprom, firmware, and software driver are designed to carefully control.

This paper discusses the various security issues and vulnerabilities related to the ieee 802. Issue easy to determine wep key assumed authentication methods ssid, mac address issue ssid association, never intended for security issue mac sent in clear, very easily spoofed published papers university of maryland, april 2001 wireless lan wlan wired lan. Wireless networks have the same basic security considerations as wired networks. In either case, the existing wired network security implementation can be leveraged to ensure that both the wired and wireless. This type of security is necessary because wlan signals have no physical boundary limitations, and are prone to illegitimate. Unauthorized association an aptoap association that can violate the security perimeter of the network. Understanding wifi security vulnerabilities and solutions. Wireless local area network wlan has been widely used in many sectors.

While the security problems associated with wireless networking are serious, there are steps you can take to protect yourself. This paper focuses on the security issues of wlan and attempts to put in place a set of security guidelines to. Therefore, companies often put the wireless lan outside the security shell of the core network. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Nov 05, 2002 although a variety of wireless network technologies have or will soon reach the general business market, wireless lans based on the 802. These wireless security protocols include wep, wpa, and wpa2, each with their own strengths and weaknesses. Wireless network security is a concern for your home network, when you use a public wifi hotspot, and for businesses that use wireless. A brief overview of wlans are outlined in section ii. This lack of a physical barrier makes wlans vulnerable to unlawful interception, eavesdropping, hacking and a range of other cyber security issues. A wireless local area network wlan is a group of wireless networking devices within a limited geographic area, such as an office building, that exchange data through radio communications. Wireless lan implications, problems, and solutions. 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. There has been a serious problem with security issues since the inception of wireless lan, westudied the current wireless local area network face some of the. It is also easy to interfere with wireless communications.

A computer connected to the internet and having improper configurations or other security problems can be exploited by anyone from anywhere in the world, while only clients in a small geographical range can exploit an open wireless. A wireless local area network wlan is a flexible data communications system that can use either infrared or radio frequency technology to transmit and receive information over the air. Cse497b introduction to computer and network security spring 2007 professor jaeger page nist evaluation any vulnerability in a wired network is present in the wireless network many new ones. This paper begins by introducing the concept of wireless lan wlan. This paper focuses on the security issues of wlan and attempts to put in place a set of security guidelines to help organizations and home users in securing their wlans.

The common vulnerabilities and security issues pertaining to the ieee 802. Understanding wifi security vulnerabilities and solutions dr. Wireless lan security seminar and ppt with pdf report. Also explore the seminar topics paper on wireless lan security with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation. This presentation shows the wireless security issue. There are many issues regarding the security of wlans like using radio frequency rf as a medium of transmitting information and the fact that all messages are broadcasted to wherever the coverage of that wlan can reach 12. 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.

University form part of the bigger infrastructure which includes the wired network. The security of each wlan is heavily dependent on how well each wlan componentincluding client devices, access points ap, and wireless switchesis secured throughout the wlan lifecycle, from initial. Also explore the seminar topics paper on wireless lan security with abstract or synopsis. Pdf wireless lan is the unguided data communication network within a boundary of place. In order to examine the wlan security threats, this paper will look at both active. Or developers working on wireless applications might connect an access point to the corporate network for testing purposes. Nist special publication 80048 wireless network security 802. Security issues in wireless networks wireless local area networks wlans transmit and receive data using radio waves rather than wires. Common wireless network security threats pluralsight. As wireless lan are less secure, more vulnerable to attack. 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.

Wireless networking security page 7 of 29 wifi protected access and wifi protected access 2 wifi protected access wpa is a wireless security protocol designed to address and fix the known security issues. 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. In most cases, employees deploying these types of access points do not understand the security issues theyre creating. The top wireless network security concerns best 802. Wireless lan deployment improves users mobility, but it also brings a range of security issues that affect emerging standards and related technologies. Marketscope for wireless lan intrusion prevention systems.

This section provides an overview of the evolving wap protocol and its security features. Wireless lan security seminar report, ppt, pdf for ece. Boncella section iii summarizes the security problems and solutions when small, lowpowered devices try to use lowbandwidth wireless network technology to access services or dataintensive content via the internet. The remainder of the paper is organised as follows. There has been a serious problem with security issues since the inception of wireless lan, westudied the current wireless local area network face some of the major security issues. Securing your wireless network ftc consumer information. A study of security issue on wifi was performed by akshika. Wireless lan security issues and solutions abstract. Wireless troubleshooting best practices wireless lan.

So even if the wireless lan was attacked, the core network can. Under these conditions, a malicious user could access any directories and files you have allowed for sharing. Hemant chaskar director of technology airtight networks. Wireless lan security seminar report, ppt, pdf for ece students. Strong wireless network passwords are essential for home. In order to protect the business needs of the university the wireless network must meet the same level of security employed by the rest of the infrastructure. Rsa wireless security survey, 2007 and 2008 scans of london, new york. Because of its transmission characteristic, many security problems have set in. With every new technological development, comes its own weaknesses. Pdf analysis of security issues and their solutions in. There are many components to assess including but not limited to laptops, handheld devices, aps, controller, authentication, network switches, routers, dns and dhcp. 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.

Pdf a wireless local area network wlan is being widely recognized as a viable cost effective. Wifi protected access wpa is a wireless security protocol designed to address and fix the known security issues in wep. Section ii handles the basics of a wireless network configuration. Pdf security issues and solutions in wifi researchgate.

Hackers have found wireless networks relatively easy to break into, and even use wireless technology to hack into wired networks. We use cellular phones, tablets, laptops, gaming systems, and cars to do so. An unsecured wireless network combined with unsecured file sharing can spell disaster. Guidelines for securing wireless local area networks wlans. However, wireless networking is prone to some security issues.

In this paper, we have explained about the wireless local area network wlan security challenges along with how a hacker is able to break into the wireless. Viruses viruses are generally not a security threat to the computers on your lan although they can cause plenty of problems. Simplifying without compromising striking a balance between security and costconvenience the corporate network from the rest of the user groups within the enterprise. The introductory section gives brief information on the wlan components and its architecture. The popularity gained is due to many reasons, such as ease of installation, installation flexibility, mobility, reduced costofownership, and scalability. Suggesting implementable solutions for these security challenges. A breach of the security of the wlan will eventually harm the security of the wired lan. Unlike a wired network which requires physical access to a device, a wireless network can be targeted and exploited from a distance. Wireless, lan wlan wireless lan security white paper. The popularity gained is due to many reasons, such as ease of installation, installation flexibility, mobility, reduced costof. Wireless lan security seminar report and ppt for cse. Wireless lan implications, problems, and solutions security.

With wireless networking, no cables or wires are needed to network your computers and share your internet connection. Boncella a diffused signal can reflected off of existing surfaces such as a ceiling and that signal can be received by any device within range. The security of each wlan is heavily dependent on how well each wlan componentincluding client devices, access points ap, and wireless. The top lan security issues in a clientserver network. Aps provide heightened wireless security and extend the physical range of a wireless lan extensible authentication protocol eap is an 802. Security guidelines for wireless lan implementation by keng lim october 31, 2003. It is an accurate assessment of the reality of the current state of the security of wireless 802. In 2017, nearly everyone is using a wireless connection to access their internet, but at the same time, we hardly ever consider the security. Outline this paper describes some security properties of wireless local area networks. By clicking accept, you understand that we use cookies to improve your experience on our website. This page contains wireless lan security seminar and ppt with pdf report. Jun 01, 2011 this presentation shows the wireless security issue.

These scenarios often lead to access points not conforming to adequate security practices. Wlans offer a quick and effective extension of a wired network or standard lan. Issues based on wep implementation weak iv fms paper, july 2001 key derivation via monitoring airsnort key derivation via bit flipping uc berkley, feb. The top lan security issues in a clientserver network environment in this searchsecurity. The top wireless network security concerns posted on february 15, 2017 by doug atkinson in 802. This paper discusses the vulnerabilities and security issues pertaining to the ieee 802. However, this paper only handles networks based on the ieee 802. Whether the network uses cables, wireless devices, kite strings and.