chapter 9

chapter 9

1. data controller

   • a person who collects or keeps information about people

2. data subject

   • a person who has data stored about themselves by other people or organisation

3. the data protection act

   • a law designed to protect people who have personal data stored about them.
   • the data controller must only use the data for the purpose he asked permission
   • the data must be relevant and not excessive
   • the data must be accurate and up to date
   • data must be kept securely so that only people who are allowed to see it can access it.

4. encryption

   • coding sensitive data or files, using specially designed software before they are sent over a network
     • to encrypt data you need a special software that uses an algorithm.

5. firewalls

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

6. virus

   • software that has been created to damage a computer system

7. loyalty cards

   • sending information to customers on deals to save them money on items they would be interested in.

8. using passwords

   • should contain at least 8 letter, upper and lower case and numbers.
   • having passwords on documents within a computer reduces the chance of them being gained access to.

9. firewalls

   • function that allows or denies access to people trying to get into a system.

10. screen savers

    • a type of computer programme that was originally designed to prevent damage to computer monitors.

11. virus protection

    • virus is a type of software program that copies itself onto system files or data and damages
    • antivirus protection discovers the viruses and remove them.