Hacking Wireless Networks
WIFI is developed on IEEE 802.11 standards and is widely used in wireless communication. It provides wireless access to applications and data across a radio network
Wireless network technology is becoming increasingly popular but, at the same time,it has many security issues. A wireless locol area network allows workers to access digital resources without being thethered to thier desks
Connecting to a network no longer requires an ethernet cable data packets are airborne available to anyone with ability to intercept and decode them several reports have explained weakness in the wired equivalent privacy algorithm by 802.11x standard to encrypt wireless data.
As a security administrator of your company you must protect the wireless networks from hacking
Computer network that is wireless and is commonly associated with a telecommunities network whose interconnections betweens nodes are implemented without the use of wires
wireless telecommunications between nodes are implemented without nodes the use of wires remote information transmission system that uses electromagnetic waves such as radio waves for the carrier.
The implementation usally takes place at the physical level or layer of the network
Types of Wireless Networks
Wireless Terminologies
Bidirectional antenna,used to support client connections rather than the authentication
WIFI is developed on IEEE 802.11 standards and is widely used in wireless communication. It provides wireless access to applications and data across a radio network
Wireless network technology is becoming increasingly popular but, at the same time,it has many security issues. A wireless locol area network allows workers to access digital resources without being thethered to thier desks
Connecting to a network no longer requires an ethernet cable data packets are airborne available to anyone with ability to intercept and decode them several reports have explained weakness in the wired equivalent privacy algorithm by 802.11x standard to encrypt wireless data.
As a security administrator of your company you must protect the wireless networks from hacking
Computer network that is wireless and is commonly associated with a telecommunities network whose interconnections betweens nodes are implemented without the use of wires
wireless telecommunications between nodes are implemented without nodes the use of wires remote information transmission system that uses electromagnetic waves such as radio waves for the carrier.
The implementation usally takes place at the physical level or layer of the network
Types of Wireless Networks
- Extension to a Wired Network
- Multiple Access Points
- LAN to LAN Wireless Network
- 3G/4G Hotspot
Wireless Terminologies
- GSM
- ISM Band
- Association
- Bandwidth
- BSSID
- Direct sequence spread spectrum
- Hotspot
- Frequency hopping spread Spectrum
- Access Point
- Orthogonal Frequency division Multiplexing
WI-fi Chalking
WAR WALKING
Attackers walk around with wi fi enabled laptops to detect open wireless networks
WAR FLYING
In this technique attackers fly around with wi fi enabled laptops to detect open wireless networks
WAR CHALKING
A method used to draw symbols in public places to advertise open wi-fi networks
WAR DRIVING
Attackers drive around wi-fi enabled open wireless networks
Types of Wireless Antennas
Directional Antenna
Used to broadcast and obtain radio waves from a single direction
Omni directional Antenna
Omnidirectional antennas provide a 360 degree horizontal radiation pattern.it is used in wireless base stations
Parabolic Grid Antenna
It is based on the principle of a satellite dish but it does not have a solid backing, they can pick up Wi-fi signals ten miles or more.
YAGI ANTENNA
Yagi is a unidirectional antenna commonly used in communication for a frequency band of 10 MHZ to VHF and UHF
DIPOLE ANTENNA
Bidirectional antenna,used to support client connections rather than the authentication
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