The Internet is a great source of information, and email can be an excellent way to communicate with family and friends. Be aware that someone who has access to your computer may be able to see what sites you have visited, or read your email messages.
There are steps you can take to make it more difficult for someone to track your activities. They are described through the links below. If your abuser knows his or her way around computers it might be better for you to use a computer outside the home - at a library, school, internet café or a friend's house.