Chapter 9- Security of data

Chapter 9- Security of data

1. Encryption

   • Coding sensitive data or files, using specially designed software, before they are sent over a network

2. Virus

   • Software that has been created to damage a computer system

3. Data Protection Act

   • A law designed to protect people who have personal data stored about them

4. Data subject

   • A person who has data stored about themselves by other people and organisations

5. Screen savers

   • Designed to prevent damage to computer monitors by blanking the screen or filling it with moving image to prevent phosphor burn-in

6. Passwords

   • Used to authenticate user . Only person with correct password will be allowed access. Generally should contain 8 characters , numbers, lower and upper case letters and punctuation

7. Firewalls

   • Software designed to allow or deny access to people who are attempting to access a system based on a set of rules.

8. Data controller

   • A person who collects or keeps information about people