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How to detect an alien device in your WiFi network and bust it out?

Attempting to "hack" into your own WiFi network can help you close the gap of wireless vulnerability and blind spots.

Unless you are sharing the Internet access with your friendly neighbor, you should keep the router's password only to those you trust and have it changed regularly preferrably using a random password generator that you may find on google.

If you have not setup your secured password, you should do it now. Four main options are there in your router, namely

OPEN (Unsecured)
WEP (Primitive and breakable)
WPA/WPA2-PSK (Difficult to break but not completely infallible)
WPA-802.1x (Remote authentication server for the geek to break)

KALI WiFi Offensive
Security Tutorial
KALI is a Debian based Linux distribution that includes some of the best tools for checking the WPA/WPA2 security of your own wireless network. KALI is neither our product nor could we provide any software support for it. We are simply sharing our experiences with highlights of our installation and application journeys and those key KALI Linux commands you might find practically useful.

There are many WiFi hacking techniques and tools to break WEP and WPA/WPA2 out there, as long as you have a high signal penetration Wi-Fi antenna that supports packet monitoring and injection.

As far as an OPEN WiFi network that requires web-based password authentication is concerned, it's hard to break although it's "OPEN" to access the login page. Unless you are a geek who are able to access the WPA-802.1x key database remotely otherwise it is hard for a layman to break because WPA-802.1x provides the login username and password are stored in a remote database service known as RADIUS (Remote Authentication Dial In User Service), and your router need to pre-set the RADIUS server IP address, its port and a shared key so that it knows where to go when a user try to login.

So, how do you uncover an alien device that's hacked into your wireless network?

To discover all devices including the phones and tablets in your wireless network, you have to go to the admin page of your WiFi router and display all the attached devices. Most routers have this feature. Check if you are experiencing slow Internet and choppy video to see if someone is barging in without you knowing it.

If you suspect that alien device is there, you need to change your WiFi password immediately. Change pasword on each device manually and refrain from pushing the WPS (WiFi Protected Setup) button on your router to update new passwords to your known devices, otherwise it's vunerable to WPA/WPA2 password attacks as you'll see how it could be done in our KALI tutorial.

 

 
 
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