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steps to neutralize someone who have my WiFi password


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#1 mark000

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Posted 22 December 2016 - 05:58 PM

what protection can i take against a not so much experienced (15 kid ) who must have your wifi password , wannabe hacker and using arp spoofing and programs such

wifikill, selfishnet, netcut, wireshark, dumper, jumpstarter, crunch, wpswin, veracrypt, ettercap, hydra

he owns a laptop with windows 8 and Kali Linux on Virtualbox.which i have my hand on now to format and install an OS (is there any restriction i can make or any recommendations you suggest )

My router is a netgear dg84 v3. I know it's very old. can i do something similar to guest network with it ??

what is the must do steps right now ?

i don't want him sniffing everyone traffic and hijacking passwords ,what can i do in my situation other than getting another WiFi connection?.

what the extent of what he can do with such programs ,and does programs such ettercap ,hydra and wireshark works if i enabled the wireless isolation ?

 

and when he is sniffing traffic and passwords does it happen in real time ? or is it stored somehow in the router and he can view it when want ??



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#2 Gorbulan

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Posted 22 December 2016 - 06:16 PM

What's stopping you from securing your wifi, say by...changing the password?



#3 mark000

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Posted 22 December 2016 - 06:18 PM

What's stopping you from securing your wifi, say by...changing the password?

it's a special case he is family and we live together , he must have the password . that's the problem 



#4 TarjaTaneli

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Posted 22 December 2016 - 09:29 PM

I would say that if you are surfing with a browser that can enable https, for example firefox with the addon https everywhere he would have a hard time sniffing anything and certainly very difficult for him to get any password. But if your familiar is up to that I would not consider to be safe while he is using your connection. He could try to do other things like sending malware...

If he is sniffing he will have the logs on his computer nothing showing up in the reuter.

You could set up mac filtering if your reuter has that option so he could not connect even knowing the password. Also, you could create another connection using your current connection with the same password and name, change the password of your current connection and hide the sid(name) so only him would connect to it while the other persons of your family would surf securely on the one he is sniffing now.

If for whatever reason you don't want to confront him directly that would probably send to him a message, like "I know what you are doing, you can surf but not spy on us".

Reading you again, making another connection to him alone would be the best thing if you live together.


Edited by TarjaTaneli, 22 December 2016 - 09:40 PM.


#5 Didier Stevens

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Posted 24 December 2016 - 03:51 PM

You could consider to get a Wifi accesspoint that supports host isolation:

http://www.howtogeek.com/179089/lock-down-your-wi-fi-network-with-your-routers-wireless-isolation-option/


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#6 yankeelady2015

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Posted 28 December 2016 - 07:08 PM

You could consider to get a Wifi accesspoint that supports host isolation:

http://www.howtogeek.com/179089/lock-down-your-wi-fi-network-with-your-routers-wireless-isolation-option/

I agree with your statement.  Great article.  Why does the 15 year old need the password?????






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