Security: Preventing and detecting unauthorized use of your computer and network.
- Prevention measures help you to stop unauthorized users accessing any part of your computer system.
- Detection helps you to determine whether or not someone attempted to break into your system, if they were successful, and what they may have done.
Information security: Is concerned with three main areas:
- Confidentiality - information is be available only to those who rightfully have access to it
- Integrity - information should be modified only by those who are authorized to do so.
- Availability - information should be accessible to those who need it when they need it