An unknown Mac is connected to my router?

Posted by Yar on Super User See other posts from Super User or by Yar
Published on 2010-12-21T06:58:36Z Indexed on 2010/12/21 12:56 UTC
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security

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networks

There is a computer that is not mine that is accessible on my network. I can even access its filesystem via AFP. What I want to know is how the computer could get on my network. My network is secured like this:

alt text

Does that mean that they've used password cracking tools? The pass is not easy to guess but not hard to figure out via brute-force hacking, I guess.

If I am being hacked, should I switch to WPA?

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