I think someone IS hacking my wifi

So the thing is i always see a TV connecting to my wifi (i see It on YouTube, i can Connect to It) but it's not from my House, so there's a neighbour connecting to my wifi and i don't know wich One It IS, i changed the pasword dozens of times and this IS still happening. How can i protect my Network?

submitted by /u/Granny-banger69
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from hacking: security in practice https://ift.tt/rbAkjBY

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