Wi-Fi (Wireless Fidelity)

Wireless Fidelity (Wi-Fi)

wifi is wireless connection of mobile , computer 🖥, laptops and electronic devicess. Internet shared with multiple devices , wifi is use for business or home connection. wifi use radio-wave to transfer data mobile , tv , computer or eelectronic devices from router

Type of Wifi connections

• wireline/router
• Hotspot or jetpack
• 4G LTE hone internet
• 4G home internet

wifi passwords

Router Brand	IP(Internet Protocol)	User Name	Password
3com	192.168.1.1	admin	admin
Belkin	192.168.2.1	admin	admin
BenQ	192.168.1.1	admin	admin
D-link	192.168.0.1	admin	admin
Digicom	192.168.1.254	admin	admin
Digicom	192.168.1.254	user	michelangelo
Linksys	192.168.1.1	admin	password
Netgear	192.168.0.1	admin	password
Sitecom	192.168.0.1	site.com	password
Thomson	192.168.1.254	user	user
Us Robotics	192.168.1.1	admin	user

Wireless security protocol(wi-fi protocols)

	WEP	WPA	WPA2	WPA3
full form	wired equivalent privacy	wi-fi protected access	wi-fi protected access 2	wi-fi protected access 3
invention	1997	2003	2004	2018
encryption	RC4	TKIP WITH RC4	AES-CCMP	AES-CCMP , AES-GCMP
size of encryption	64 bit , 128 bit	128 bit	128 bit	128 bit , 256 bit

wifi or any device have three IP address
1. Public IP
2. Private IP
3. Mac address

public ip connect with public ip and private ip connect with private ip , public ip do not connect with private ip

Range of router public ip

192.168.1.0 - 255.255.255.255

Types of wireless Threats

1. Denial of service(Dos)
2. De-authentication flood
3. Routing attacks
4. authenication flood
5. arp cache posioning attack
6. power saving attacks
7. power saving attacks
8. TKIP mic endpoint
9. access point theft
10. disassociation attacks
11. EAP failure
12. Beacon flood

wifi hacking(wireless hacking mathodology)

1. wifi discovery
2. gps mapping
3. wireless traffic analysis
4. launch of wireless attacks
5. wifi encryption cracking
6. compromise the wifi network

wifi channels

wi-fi frequency bands
small bands
medium to communicate
2.4 GHz :- 11 channels
5GHz :- 45 channels

Wi-Fi majour concerns and dangers

1. Security
2. Small range
3. Helth concerns
4. Limited bandwidth
5. Speed

Types of wireless threats

Denial-of-services(Dos)

De-authentication flood

Routing attacks

Authentication flood

ARP cache poisoning attack

Power saving attacks

TKIP MIC exploit

Access point attacks

Disaddociation attacks

EAP-failure

Beacon flood

wireless hacking methodology

wifi discovery

GPS mapping

wireless traffic analysis

Launch of wireless attacks

wi-fi excryption cracking

compromise the wifi network

Types of wi-fi

name	speed	bandwidth
802.11a	2mbps	2.4GHz
802.11b	11mbps	2.4GHz
802.11g	54mbps	2.4GHz
802.11n	100mbps	2.4/5GHz

Alternatives of wi-fi

1. cellular network

2. ethernet

3. bluetooth

4. Powerline Network

5. Zigbee