• No, Chromebooksaren't actually 'good' for anything, including hacking wifi. The reason for this is that your options are limited unless you can dual-boot into another OS. My best guess is to download the lightweight version of Kali Linux and replace the default operating system with it.
• It's absolutely possible that your router has been hacked and you are completely unaware of it. Hackers can compromise the security of your home Wi-Fi network using a technique known as DNS (Domain Name Server) hijacking and potentially chevalier you.

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