Securing the network involves preventing any misuse or unauthorized access of the network or its resources. Network security software is designed to improve a network s safety. Wpa, wpa2 these slides are based partly on lawrie browns slides supplied with william stallings s book cryptography and network security. Wireless networks have physical components, such as.
The title slide depicts rotating laptops, with a blue line passing from one laptop to another. Deploying any type of network securely is always a balancing act, establishing a happy medium between security for securitys sake and pragmatic protection of missioncritical assets. Integrates with your sophos endpoint andor sophos mobile when managed in sophos central. Wireless security california state university, long beach. Wep was supposed to offer the same security level as wired networks, however there are a lot of wellknown security issues in wep, which is also easy to break and hard to configure.
Wireless lan security seminar report and ppt for cse students. This type of security is necessary because wlan signals have no physical boundary limitations, and are prone to illegitimate. Unlike a wired network which requires physical access to a device, a wireless network can be targeted and exploited from a distance. For this, every user is given a unique user id and password to access data pertaining to them. Wireless security presentation linkedin slideshare. Network security is basically securing your network. Get more information about wireless lan security ppt presentation by visiting this link. Introduction to wireless networks when you invent a new network. Oct 30, 2015 this is an overview of wireless networks security.
Why wireless is insecure and what can we do about it. 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. Finally, video also explains various security measurement for. Wireless security and network management cisco community. Cse497b introduction to computer and network security spring 2007 professor jaeger. University units and individuals may not disconnect a wireless access point from its associated wireless port or interfere with any components of the wireless. Wireless sensor networks use in various fields like military and national security application, environment monitoring, medical application and nearly anything you can imagine. Both methods have advantages over each other, and both represent viable options for home and other local area. Common wireless network security threats pluralsight.
Mar 27, 2015 wireless sensor networks wsn seminar and ppt with pdf report. Contents wireless networks bluetooth wifi father of wifi how a wifi networks works wifi networks types hardware wifi technology ieee 802. Wireless networks have physical components, such as wires and boxes, which are easily disturbed. 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. Wireless networks have the same basic security considerations as wired networks. Wired ethernet was once the common choice for homes and businesses. Security measures exist to ensure that the network is reliable. Wireless network security primarily protects a wireless network from unauthorized and malicious access attempts. Wireless access points can be easily, cheaply, and quickly implemented when overall network security and user authentication strategies are not taken into consideration wireless access points are cheap and can be used to provide access to areas that would remain otherwise unserved. Networks can be private, like a network within a company, or public. Currently, wpa2 is the best way to secure a wireless network. Deploying any type of network securely is always a balancing act, establishing a happy medium between security for security s sake and pragmatic protection of missioncritical assets. Network security issues, whether wired or wireless, fall into three main categories.
Seminar on wireless network security authorstream presentation. Wps this protocol is designed to allow nontechnical users to operate a secure wireless network. Then, as a case study, we look at one of the most important wireless network security schemes. Nowadays many people are interacting with the world of internet and the sense of security is enhancing day by day. However, wifi and other wireless options are now prevalent in homes, while many businesses still rely on wired networks. Wireless network access points will be connected to the universitys wired network by means of a specially designated wireless port that will be installed specifically for this purpose. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pdf different type network security threats and solutions. Computer networks for the home and small business use either wired or wireless technology.
These wireless security protocols include wep, wpa, and wpa2, each with their own strengths and weaknesses. Wireless lan security ppt presentation seminarsonly. You can connect a client device to the wireless network in one of two ways. Network security software is designed to improve a networks safety. Jun 01, 2011 this presentation shows the wireless security issue. Wireless lan security seminar report and ppt for cse. 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. Security is an essential service for wired and wireless network communications. Wireless network and wifi security issues to look out for in 2019. So, everyone needs to know about the basics of network security so that each and everyone can protect their network. Wireless sensor networks seminar ppt and pdf report. 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. Hello, i have a single wlc with a single interface that is trunked to the network switch. Whether the network uses cables, wireless devices, kite strings and.
Network security powerpoint ppt presentations powershow. It monitors and acts upon the health status of connected endpoint and mobile clients to reduce the risk to your trusted wifi networks. Wireless networking security university of birmingham. This is another computer and network themed presentation template which can be used for making network security related presentations. While i make every effort to be thorough and hit every aspect, there are times that i inadvertently omit things or skip them due to scope, time. 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. This being said, the security suggestions for the known wpa2 vulnerabilities are mostly significant to the networks of enterprise levels, and not really relevant for small home networks. The design of a wireless lan must permit reliable transmission even in a noisy environment and should provide some level of security from eavesdropping. Wireless local area network and its challenges interference and reliability simultaneous transmissions i. This page uses frames, but your browser doesnt support them. This was a star topology and connected 7 computers across 4 islands. Different type network security threats and solutions, a. The first model was created at the university of hawaii by norman abramson.
As the name implies, this should be an excellent starting point for the subject topic, in this case wifi. This article from wireless security lunchtime learning, free information security training featuring lisa phifer, details the business risks of wireless lans, countermeasures to reduce those risks. Wireless is here to stay enables new applications, new enterprise security not just a wlan issue a network issue treat the network as an untrusted network and secure appropriately wlan can be extremely secure no quick fixes planning and design solutions to address security are available today and will continue to evolve. Wireless network security ppt download slideplayer. If you continue browsing the site, you agree to the use of cookies on this website. Ppt wireless network security powerpoint presentation, free. Additional security measures for your router what to do if on an unsecured network history of wireless networking wireless local area networks wlan have been around since 1970. A wireless network is the way that a computer is connected to a router without a physical link.
Various wireless security protocols were developed to protect home wireless networks. Both the wireless router and the client device must support wps. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals. Typically, wireless network security is delivered through wireless devices usually a wireless routerswitch that encrypts and secures all wireless communication by default. 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. Wep was developed for wireless networks and approved as a wifi security standard in september 1999.
I have 2 ssids one for guest and one for the company users. Sophos wireless combines the power of the sophos central platform and our unique security heartbeat functionality. The success of mobile ad hoc network manet will depend on people s confidence in its security. This page contains wireless sensor networks seminar and ppt with pdf report. Lets have a closer look at wep, wpa, wpa2, and wpa3 wireless security protocols. The latter, at their most basic level, transmit data between two points, a and b, connected by a network cable. This presentation shows the wireless security issue. Wireless sensor networks wsn seminar and ppt with pdf report. 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. 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. Wireless lan security seminar report, ppt, pdf for ece students. 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.
Physical security for wireless networks when installing a network, you are building an infrastructure that people depend on. Typical wireless lan implementations have features to reduce power consumption while not using the network, such as a sleep mode. Introduction to wireless security answer netgear support. As wireless lans become more popular, it is quite likely for two or more wireless lans to operate in the same area or in some area here interference between the. Wireless lan security seminar report, ppt, pdf for ece. This section provides an overview of the evolving wap protocol and its security features. 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 computer science engineering or cse students for the year 2015 2016. Multipath fading in packetized voice, packet loss rates on the order of are generally. Adherence to these standards will allow ucsf schools, departments and individuals including students in residence halls connected to the ucsf network to deploy wireless networks without compromising the integrity of the campus network. Wireless networks presentation by mavlan ibrahim on prezi. This is an introductory tutorial that covers the basics of wireless. Unless properly designed, a wireless lan may be interference prone and easily eavesdropped.
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