It is amazing how many people don't secure their Internet networks. We have wifi in the house which allows us to use the Internet from any place in the house, and even out by the pool. We have our network locked and password protected. Not to say that it is hack proof, but at least we are trying. Internet security should be a priority, since someone could just hop on to your wifi and even get access to the contents of your computer.
If you are using a PC you know that there are many viruses out there that can crash your computer, one way to protect your hard drive is to have anti-virus software. The antivirus software can prevent a virus and protect your work. Another problem with computers and the Internet is spyware. These spyware programs can come in different shapes and sizes, and you might not even know they are there. They collect data about you and your computer usage. Like the antivirus software you can also get antispyware that will remove these unwanted programs from your computer.
In this age you can't be too careful when it comes to securing your computer and your networks. There is so much information out how to protect your self and your data. Be smart and password protect your wifi network, it is the least you can do.