wireless network security fundamentals

... Wireless Security  WPA Personal Security  WPA2 Personal Security  Enterprise Wireless Security  IEEE 802.11i  WPA Enterprise Security  WPA2 Enterprise Security  Enterprise Wireless Security ... Personal Wireless Security  Bảo mật wireless điển hình chia thành loại:  Personal wireless security: thiết kế cho SOHO (small office-home office) cho người tiêu dùng  Enterprise wireless security: ... Personal wireless security có mô hình phát triển Wi-Fi Alliance:  WPA Personal Security  WPA2 Personal Security Personal Wireless Security Lịch sử WIFI  Sau thời gian ngắn phát hành chuẩn mạng wireless...

Ngày tải lên: 22/01/2013, 23:02

... ad hoc and sensor networks However, wireless network security is still a major impediment to further deployments of the wireless/ mobile networks Security mechanisms in such networks are essential ... Experimental Study on Security Protocols in WLANs Avesh Kumar Agarwal and Wenye Wang 295 Part V: Security in Sensor Networks 323 Chapter 13: Security Issues in Wireless Sensor Networks used in Clinical ... Index 407 PREFACE Wireless/ mobile communications network technologies have been dramatically advanced in recent years, inculding the third generation (3G) wireless networks, wireless LANs, Ultra-wideband...

Ngày tải lên: 01/01/2014, 16:48

... a) MN visits new network b) New network obtains the address of old network c) New network requests context transfer to old network d) Old network transfers context of MN to new network e) After ... required security associations between networks This scheme reduces the total number of security associations to O(N ), i.e, between the broker and N networks Thus, whenever a foreign network needs security ... System Security Laboratory (MISSL) and a Ph.D student at the University of Maryland, College Park His current research interests include wireless networks, the security of wireless mesh networks,...

Ngày tải lên: 14/02/2014, 16:20

... protected wireless setup An open wireless network exists on the outside of the firewall Clients connect to the open wireless network The firewall allows all clients on the open wireless network to ... protect me” • “Nobody will find my wireless network 31 Above are what I believe to be the most common wireless security misconceptions Now, some wireless security is better than none, so don’t ... Topics • Why wireless security is increasingly important • Wireless security misconceptions • Wireless Attacks - Detection & Prevention • Defensive Wireless Computing The roadmap...

Ngày tải lên: 05/03/2014, 21:20

... “Properties” (or go to Start > Control Panel > Network) Select your Wireless LAN Card, right click on the icon and select “Properties” Click on Wireless Network tab Select the Access Point which ... “My Network Places” on your desktop and click “Properties” (or go to Start > Control Panel > Network) Select your Wireless LAN Card, right click on the icon and select “Properties” Click on Wireless ... use Windows XP Wireless Utility as an example Right click on “My Network Places” on your desktop and select “Properties” (or go to Start > Control Panel > Network) Select your Wireless LAN Card,...

Ngày tải lên: 05/03/2014, 23:20

... Security  6.6 Wireless Mesh Network Security J Wang Computer Network Security Theory and Practice Springer 2008 Wireless Mesh Network (WMN)  An AP may or may not connect to a wired network infrastructure ... Security  6.6 Wireless Mesh Network Security J Wang Computer Network Security Theory and Practice Springer 2008 Overview  Proposed in 1998 as an industrial standard  For building ad hoc wireless ... star networks WMNs: multi-hop networks A region:    An AP and all the STAs connected to it Can be viewed as a WLAN Can apply the 802.11i/WPA2 security standard J Wang Computer Network Security...

Ngày tải lên: 06/03/2014, 16:20

... effective tool to conduct security auditing and troubleshoot wireless network issues Security administrators or security auditors can use network analyzers, to determine if wireless products are ... Emerging Security Standards and Technologies 3-36 Case Study: Implementing a Wireless LAN in the Work Environment 3-37 Wireless LAN Security Checklist 3-40 Wireless LAN Risk and Security ... IRELESS NETWORK SECURITY List of Tables Table 3-1 Key Characteristics of 802.11 Wireless LANs 3-8 Table 3-2 Key Problems with Existing 802.11 Wireless LAN Security 3-18 Table 3-3 Wireless...

Ngày tải lên: 14/03/2014, 20:20

... communications Wireless Networks Infrastructure-based wireless networks Cellular Telephone Networks WiMAX Networks Wireless LAN in Access Point Mode Infrastructure-less wireless networks Wireless LAN ... networks Wireless LAN in Ad Hoc Mode Wireless Mesh Networks Wireless Sensor Networks Figure 1: Classification of Wireless Networks Infrastructure based wireless networks need fixed infrastructures ... thus wireless client stations communicate with each other directly in peer-to-peer manner These types of networks are also known as wireless ad hoc networks Network topology of wireless ad hoc network...

Ngày tải lên: 22/03/2014, 15:21

... standard wireless networks 1.3.1.1 802.11 Wireless Networks (Wi-Fi) 1.3.1.2 3G Wireless Networks 1.3.2 Challenges for sensor networks 1.3.3 Challenges for mesh and ad hoc networks ... Popular security approaches in sensor networks can be classified as cryptography and key management, routing security, location security, data fusion security, and security maintenance Security ... research 1.3 Areas for Future Research 1.3.1 Challenges for standard wireless networks 1.3.1.1 802.11 Wireless Networks (Wi-Fi) Wireless networks have experienced an explosive growth because of their...

Ngày tải lên: 25/03/2014, 11:51

... champika@apnic.net Overview   Network Security Basics   Security Issues, Threats and Attacks   Cryptography and Public Key Infrastructure   Security on Different Layers   Layer and BGP Security   Server ... https://www.trustwave.com/global -security- report.php Exfiltration Types of Security   Computer Security - generic name for the collection of tools designed to protect data and to thwart hackers   Network Security ... Sniffing – capture packet as they travel through the network   DoS and DDoS Wireless Attacks   WEP – first security mechanism for 802.11 wireless networks   Weaknesses in this protocol were discovered...

Ngày tải lên: 28/03/2014, 20:20

... the technology The disadvantages of using a wireless network are: Security, Range, Reliability, and Speed Wireless Networks present a host of issues for network managers Unauthorized access points, ... Securing Wireless Networks 6.1 Use of Encryption The most effective way to secure your wireless network from intruders is to encrypt, or scramble, communications over the network Most wireless ... periodically Network Auditing Wireless network auditing is an important part of WLAN security policy The network needs to be regularly audited for rouge hardware In this method the network is scanned...

Ngày tải lên: 28/03/2014, 22:20

... protected SECURITY ISSUES ATTACKS Security is an important issue for wireless networks, especially for those security sensitive applications Many users of data There are two types of attacks toward security ... 5.3 Mobile Security Solutions In mobile security, the solutions which are in use are: PKI system (Cryptographic Key System), Silicon-based Security (as hardware security) , SIM Card Security, UICC ... technique Though it adds cost factor and is mostly avoided 6.2 Security in Wireless Networks An authentication architecture for mobile ad hoc networks is proposed by Jacobs and 21 Corson This architecture...

Ngày tải lên: 28/03/2014, 22:20

... to wireless networks, the technology used in the physical layer (airspace) of wireless networks actually increases overall network security, as follows: Spread Spectrum Technology SkyRiver’s wireless ... Communications, Inc 2001 Page Security on SkyRiver’s Wireless Network We can see clearly that data security considerations impact the entire network architecture And while these data security considerations ... access the network Thus unauthorized network access becomes very difficult even for hackers who possess the equipment to attack the SkyRiver network Physical & Network Security SkyRiver’s network...

Ngày tải lên: 28/03/2014, 22:20

... (or go to “Start/ Settings/ Network or double click a network icon which represents your wireless network on system tray where right down your screen) Select your Wireless LAN Card right clicks ... (or go to “Start/ Settings/ Network or double click a network icon which represents your wireless network on system tray where right down your screen) Select your Wireless LAN Card right clicks ... CA Connect your computer to a network, which can connect to RADIUS Server (How ever wired or wireless connection, if you use wireless connection please turn all security method off first otherwise...

Ngày tải lên: 28/03/2014, 22:20

... standard The ninth paper entitled “MAC security and security overhead analysis in the IEEE 802.15.4 wireless sensor networks,” authored by Yang Xiao et al., proposes a security overhead analysis for ... security overhead analysis for the MAC layer in the IEEE 802.15.4 wireless sensor networks, as well as a survey on security mechanisms, security vulnerabilities, and attacks The tenth paper entitled ... its error correcting capacity as well as its security In summary, all eleven papers included in this special issue have discussed wireless network security, and can serve as very useful references...

Ngày tải lên: 22/06/2014, 22:20

... Wireless Network Security EURASIP Journal on Wireless Communications and Networking Wireless Network Security Guest Editors: Yang Xiao, Hui Chen, ... Wireless networking has been enjoying fast development, evidenced by wide deployments of many wireless networks of various sizes, such as wireless personal area networks (WPANs), local area networks ... metropolitan area networks (WMANs), and wide area networks (WWANs) These wireless networks can be of different formations, such as cellular networks, ad hoc networks, and mesh networks, and can...

Ngày tải lên: 14/08/2014, 19:20

... Dependability Issues in Wireless Ad Hoc Networks and Sensor Networks (DIWANS ’06), pp 1–8, Los Angeles, Calif, USA, September 2006 EURASIP Journal on Wireless Communications and Networking [16] T ... and J Luo, “The security and privacy of smart vehicles,” IEEE Security & Privacy, vol 2, no 3, pp 49–55, 2004 ˇ [13] S Capkun and J.-P Hubaux, “Secure positioning in wireless networks,” IEEE ... vehicular network Because of our novel assumption that 12 EURASIP Journal on Wireless Communications and Networking the message EIRP is unknown, the HPB location estimation approach is suitable to security...

Ngày tải lên: 14/08/2014, 19:20

... management for wireless sensor networks,” in Handbook of Wireless Mesh & Sensor Networking, G Aggelou, Ed., McGraw-Hill, New York, NY, USA, 2007 12 EURASIP Journal on Wireless Communications and Networking ... hierarchal network model 3.1 Key Distribution in Renewable WSNs Specifics of wireless sensor networks, such as strict resource constraints and large network scalability, require a proposed security ... mechanism for large-scale hierarchical wireless sensor networks,” Ad Hoc Networks, vol 5, no 1, pp 35–48, 2007 EURASIP Journal on Wireless Communications and Networking [10] G Jolly, M C Kuscu,...

Ngày tải lên: 14/08/2014, 19:20

... on Wireless Communications and Networking wireless sensor networks,” Tech Rep UCLA/CSD-TR-010023, 2001 J Deng, R Han, and S Mishra, “Insens: intrusion-tolerant routing in wireless sensor networks,” ... routing security problems using different approaches For example, Intrusion-tolerant Routing in Wireless Sensor Networks (INSENS) [11] constructs tree-structured routing for wireless sensor networks ... transitive trust networks,” Web Intelligence and Agent Systems, vol 4, no 2, pp 139–161, 2006 [3] A Boukerch, L Xu, and K EL-Khatib, “Trust-based security for wireless ad hoc and sensor networks,”...

Ngày tải lên: 14/08/2014, 19:20

... Journal on Wireless Communications and Networking can be shown by the fact that the capacity of all other links is +∞ These virtual links correspond to a set of nodes in the original network, denoted ... instead of MP1 A 0.9 adapted for wireless networks where packet loss and link instability is one of the major concerns Thirdly, since finding the maximum flow in lossy networks is by nature much more ... multiplicative to an additive form, each edge e ∈ E is assigned EURASIP Journal on Wireless Communications and Networking Input: network G Output: multipath set P ∗ maximizing a = (|P ∗ | − 1)/ Pi ∈P ∗...

Ngày tải lên: 14/08/2014, 19:20