Information Technology Reference
In-Depth Information
Figure.11 10
Using a disk eraser program.
Before you erase your hard disk, copy all the data on it to a new hard drive unless you are sure you no longer
want this data. Once you start the overwriting process, you can't retrieve the data.
CAUTION
Quick Review
1 What are the characteristics of a strong password?
2 What level of access should you give others to your files and folders?
3 What does a firewall do?
4 What is needed to decrypt encrypted data?
