Wireless Hacking - Introduction to Wireless Hacking with Kali Linux (2017).pdf

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Wireless Hacking
Introduction to Wireless Hacking with Kali Linux
Giulio D’Agostino @Julyo78
Wireless Hacking
1
Pre-requisites
NONE
Post-reading
You will know:
Hidden networks offer a real challenge to a hacker.
• What are the different flavors of wireless networks you'll encounter and how difficult it is to
hack each of them.
• What are hidden networks, and whether they offer a real challenge to a hacker.
• You'll have a rough idea how each of the various 'flavors' of wireless networks is actually
hacked.
(The last point would be covered in details in the next chapter)
Wireless Security Levels
Below is a simple list of points I use to explain various possible security implementations that a
wireless network may have.
Suppose you are the owner of a club. There can be many possible scenarios as far as entry to the
club is concerned :
• Open Entry
• Open networks- They don't require passwords to
• connect to the wireless router (access point). 1 Open entry and unrestricted usage - Anyone can
walk right in. They have unrestricted access to the dance floor, free beer, etc.
2 This is open network. This is only used in public places (restaurants, etc.) which offer free
Internet access to it's users (WiFi hotspots) . It's fairly uncommon to find such networks.
Wireless hacking usually refers to
cracking the router's password.
3 Open entry but restricted usage. Anyone can walk right in, but have to pay for drinks. For the
router's security purposes, this is also an open network. However, connecting to the wireless
router (entering the club) doesn't guarantee you unlimited access to the internet. There is another
layer of authentication. These are seen in public places (airports, restaurants, fast food joints,
shopping malls) where they let you connect to the wireless network without any password, but
after that you have an additional layer between you and the internet. This layer usually restricts
your ability to access the internet (either by bandwidth or by time). This layer can be used to
charge you for the amount of data you use.
The point to note in the discussion above is that wireless hacking usually refers to cracking the
router's password. The additional layer which might be present between you and the internet after
you login is something you'll have to deal with separately, and is not covered under wireless
hacking. So, from wifi hacking perspective, both the networks above are the same, "open", and do
not require any hacking. • Stupidly Guarded Entry (WEP)

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