Wireless Security

Mar 25, 2019

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Wireless Security. 802.11, RFID, WTLS. 802.11. 802.11 a, b, … Components Wireless station A desktop or laptop PC or PDA with a wireless NIC. Access point A bridge between wireless and wired networks Radio Wired network interface (usually 802.3) Bridging software

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Wireless Security

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Wireless Security

Steven Senkus. Wireless Security. What is Wireless Networking?. Transmission of computer-readable data signal through radio waves to the Internet or another computer. Takes place at the physical layer (hardware). A Brief History.

953 views • 34 slides

Wireless Security

What do you mean Wireless'? . Wireless devices use Radio Frequency (RF) technology to facilitate communication.various types of wireless communication solutions use different frequencies, most regulated by governments.802.11 and Bluetooth operate in the 2.4Ghz unregulated band (dirty frequenc

555 views • 32 slides

Wireless Security

Wireless Security. Dr Jerry Gao. By Latha Boopathy. Wireless Security. Security Issues in WLAN Security Issues in WAP Security Issues in Cellular phones. Intro -WLAN.

546 views • 34 slides

Wireless Security

Wireless Security. Chapter 24 Wireless Network Security. Objectives. The student shall be able to: Define the main function of the IEEE standards: 802.11a, 802.11b, 802.11g, 802.11i, 802.11n Define Access Point, BSS, ESS, WEP, WPA2

542 views • 32 slides

Wireless security

Wireless security. Breaking WEP and WPA. Wireless security - Why?. DEMO!. Wireless security timeline. Message falsification attack on WPA. Attack on TKIP. WEP introduced. WPA introduced. WPA2 introduced. FMS attack on WEP. ChopChop attack on WEP. Fragmentation attack onWEP.

670 views • 23 slides

Wireless Security

Wireless Security. By Roger Kung. Wireless Security?. Prevention of unauthorized access or damage to computers using wireless networks. Wi-Fi Alliance (http://www.wi-fi.org /). WEP. WEP. WPA. Free Tools. NetStumbler ID Basic Wi-Fi Devices Kismet ID Hidden SSIDs Aircrack

292 views • 12 slides

Wireless Security

Wireless Security. Cable Modem. Premises- based. Access Networks. LAN. Transit Net. LAN. LAN. Private Peering. Premises- based. Core Networks. Transit Net. WLAN. WLAN. NAP. Analog. WLAN. Transit Net. Public Peering. DSLAM. Operator- based. RAS. Regional. Wireline

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Wireless Security

Wireless Security. Chapter 6 – Wireless Network Security. Investigators have published numerous reports of birds taking turns vocalizing; the bird spoken to gave its full attention to the speaker and never vocalized at the same time, as if the two were holding a conversation

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Wireless Security

Wireless Security. Objective:. Understand the benefits of a wireless network Understand security risks Examples of vulnerabilities Methods to protect your network. Benefits of a Wireless Network. Can be an extension to a wired LAN Wired LANs can be at time, impractical, or impossible

469 views • 23 slides

Wireless Security

Wireless Security. Gregg A. Campbell. Agenda - .11i, IPS/IDS, Ranging. WPA WPA2 IEEE 802.11i AES Encryption WPA and WPA2 Comparison Cisco TKIP, WPA, WPA2 Comparison. Wireless IDS. Wireless Security?. Implementation Checklist. Client associates. Corporate Network.

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Wireless Security

Wireless Security. 2005. 05. 31 교육대학원 분산시스템특론 인천대학교 민병준 032-770-8497, 011-9913-8497, bjmin@incheon.ac.kr. Contents. Introduction to Wireless Wireless World Wireless Threats Wireless Security Protocols and Cryptography Security Considerations for Wireless Devices

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Wireless Security

Wireless Security. 802.11 With a focus on Security Dr. Tulin Mangir temangir@csulb.edu. Partially sponsored by NSF Grant No: 0417283. An exercise in wireless insecurity. Materials needed: Laptop w/ 802.11b card and GPS, Netstumbler, Airsnort, Ethereal, and the car of your choice

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Wireless Security

Wireless Security. Chapter 12. Objectives. Describe the different wireless systems in use today. Identify 802.11’s security issues and possible solutions. Key Terms. 2.4 GHz band 5 GHz band Bluejacking Bluesnarfing Bluebugging WEP WPA WPA2. Introduction to Wireless Networking.

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Wireless Security

Cyber Security Spring 2007. Wireless Security. 802.11 or Wi-Fi. IEEE standard for wireless communication Operates at the physical/data link layer 802.11b – 11Mb/s – 35-100 meter range – 2.5GHz 802.11a – 54Mb/s – 25-75 meter range – 5GHz 802.11g – 54Mb/s – 25-75 meter range – 2.5GHz

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Wireless Security

Wireless Security. Configuring Security Featuers For Wi-Fi (Wireless) Broad Band Access Recently Intelligence agencies have found that terrorists were using unsecured wi-fi connections for sending their emails.

233 views • 9 slides

Wireless Security

Wireless Security. Traditional method. A computer with network card a cable connecting network card and the network. Wireless technology at home. Infrared (IR) or Radio transmission e.g. remote control, cordless computer keyboards and mouse, stereo headsets Short distance, simple signals.

302 views • 19 slides

Wireless Security

Wireless Security. Focus on Encryption Steps to secure a Wi-Fi Network. Wi-Fi at home. Using a broadband Internet connection and a single WAP wired and wireless clients can access each other and the internet

318 views • 14 slides

Wireless Security

Wireless Security. Agenda. Basics of an Attack 802.11b Overview WEP Other security measures Future of Wireless Security. Step 1: War Driving. Materials needed: Laptop w/ 802.11b card and GPS, Netstumbler, Airsnort, Ethereal, and the car of your choice

496 views • 31 slides

Wireless Security

Wireless Security. Training materials for wireless trainers. Goals. To understand which security issues are important to consider when designing WiFi networks To be introduced to encryption, how does it works, and why can solve some security problems

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Wireless Security

740 views • 31 slides

Wireless Security

Wireless Security. Outlines. 802.11 Basics Security in 802.11 WEP summary WEP Insecurity. Wireless Networking. ALOHAnet 1999: IEEE 802.11a (54 Mbps) 1999: IEEE 802.11b (11 Mbps) 2003: IEEE 802.11g (54 Mbps) 2009: IEEE 802.11n (150 Mbps). IEEE 802.11 Wireless LAN. 802.11b

543 views • 46 slides

Wireless Security

Wireless Security. Beyond WEP. Wireless Security. Privacy Authorization (access control) Data Integrity (checksum, anti-tampering). WEP. RC4 stream cipher WEP key (40 or 60 bit) combined with 24-bit Initialization Vector (IV) Sender XORs stream cipher with data to encrypt

219 views • 16 slides

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