Prsentation PowerPoint

Attack in Wireless NetworksBy Nour Frikha & Becem Abid

2015-2016

2me Anne GT1

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In 18302

In 19503

Nowadays 4

INTRODUCTION For Wireless technologies Lets watch video to have small idea about our presentation!5

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WiFi(Wireless Fidelity)->Wireless networks(commonly referred as WLANDeveloped on IEEE 802.11 standardsWireless networks include: Bluetooth, Infrared communication, Radio Signal etc.Components used: Wireless Client ReceiverAccess PointAntennas

Wifi Basics information

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(BROADBAND ROUTER)(ACCESS POINT)(EXTENSION POINT)

Extension to a wired network

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LAN-1LAN-2

LAN 2 LAN

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Wireless Hotspot

Internet

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HOW Hacker attack the network !! 11

Find the networkStudy its trafficStudy Security mechanismsATTACK!!!!!!!!(Decrypt the packets)

Security breaching sequence

Done :D12

BEFORE ATTACK

DOS attack

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After ATTACK

Access point is busy handling attackers request

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Before Attack

Man In The Middle Attack(MITM) 15

AfterAttack

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ARP Poisoning/Spoofing17

DEMO Time !18

Cain & Abel is a password recovery tool for Microsoft Operating Systems. It allows easy recovery of various kind of passwords by sniffing the network, cracking encrypted passwords using Dictionary, Brute-Force and Cryptanalysis attacks, recording VoIP conversations, decoding scrambled passwords, recovering wireless network keys18

19Arp poisoning

DNS spoofing Attack 20

DNS spoofing Attack 21

Thank you Any Question !22