1. Computer Security By Amy Dennison 7H I Love you Melissa Esafe Happy99

2. Viruses

3. Antivirus Software’s Viruses Norton Kaspersky AVG McAfee Panda Cloud Zone Alarm Randex Esafe Melissa ~ I love you Trojen Horse Worms Happy 99 Macro STUXNET Code red

4. How to stop viruses Using Antivirus softwares you can stop you getting viruses, but the disadvantages are you have to refresh it very so often and it uses a lot of memory.

5. Hackers

6. Hacking What is Hacking? Hacking is gaining an unauthorised access to a computer system. How can hacking damage? This depends upon what backdoor programs are hiding on your PC. Different programs can do different amounts of damage. However most allow hackers to smuggle another program onto your PC.

7. Backups

8. Backing up information It is important to back up any information because your computer could crash and you could loose all of your work and information, backing up also saves memory. How to Back up your information You can back up your information to a hard drive, USB stick, CD Rome, SD card, memory chip.

9. How to keep back ups secure You can keep back ups secure by putting passwords on your USB stick, by keeping a closed account and by logging off when your out of sight.