Spam is unwanted online messages that can spread viruses. To reduce spam, get a firewall or security system to block it, and do not post your email publicly. Mailing lists collect email addresses to send shared mail to subscribers.

1. Internet Safety Andrew All images from Clip art

2. What is spam? - Spam is the online spread of messages that people would not normally want.

3. Why is spam such a problem? - Spam is a problem because spam can be dangerous and result in viruses when you answer the message.

4. What should you do if you receive spam? - You should get a firewall or a security system that blocks the spam. You could also report the spam.

6. Reduce the amount of unwanted e-mail.