If you use the internet at home then chances are you bought a router or got one from your internet provider. It's that box hooked to your home computer that allows you to access the internet without wires from your laptop, tablet or phone.
That said, did you change the default password?
Do you even know what I'm talking about? Every router comes pre-loaded with a default username and password to allow it to be setup on your computer.
I was reminded of the importance of this last week in this news article. Thousands of webcams were hacked and put live on the internet. The main culprit for these being vulnerable were default passwords that had never been updated.
Next time you get a new router or if your existing one still uses the default password, please watch this video and make sure you are secure