Can you get computer security free? Yes, if you do not need heavy-duty security. If you pick the best you can get for the money, then your computer security, free or paid, is generally cost effective. You can do a lot with free software, but it is generally for light duty. Still, it might make you secure enough.
You always want to put some type of router between the modem and your computer. This can be a simple dsl/cable router from someone like Linksys. This helps to segment a private network from the public internet network. Let me use an analogy. If you hook up your computer directly to your modem, it's like opening your front door and letting anyone into your house. There is no barrier between you and the outside world. However, if you put a router between the modem and your computer, it's like closing that door on the front of your house. Now, only certain, trusted people are allowed in.
One other benefit of using computer security software is that the computer security software was specifically crafted in order to prevent hackers from accessing computers that they have no right to access. This if often the best way to ensure that you privacy is catered for whenever you're online. Security software may also disguise and hide you IP address so hackers cannot use your IP address in order to target your computer system specifically and disrupt your computer system. Whenever you place security software on you computer system what you are trying to do is that you're making sure that any personal information on your computer system sis kept secure when you are in public locations such as an Internet café or a wireless hotspot in a hotel or an airport. Internet users who are always on the move will appreciate such security measures.
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