Downloads or email can damage your computer and/or include unpleasant pictures or links to web sites with inappropriate content.
If release personal information about yourself online you may find that you are then bombarded with SPAM or junk mail. Almost everyone receives junk mail or spam - but get smart and reduce your risk. Being careful online means making sure to filter junk e-mail and block individual senders in your e-mail software program.
Don't open email from someone you don't know. If you receive an email that doesn't have a subject line and carries an attatchment - wait to open it until after you have contacted the sender. Make sure you have a anti-virus software protection system on your computer which is up to date. Your virus scanner will not only protect you from receiving viruses but also stop your computer from passing viruses to other users.