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UNIT R001: Understanding Computer Systems

UNIT R001: Understanding Computer Systems. Keeping Data Secure. Data Encryption. Used to “code” data that is sensitive or needs security i.e. bank details Happens before the data is sent Data is encoded with a KEY The recovery uses the same KEY to decrypt the data

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UNIT R001: Understanding Computer Systems

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  1. UNIT R001: Understanding Computer Systems

  2. Keeping Data Secure

  3. Data Encryption • Used to “code” data that is sensitive or needs security i.e. bank details • Happens before the data is sent • Data is encoded with a KEY • The recovery uses the same KEY to decrypt the data • No key no decryption the data is incomprehensible

  4. Example Zhoogrqhbrxkdyhfudfnhgwkhfrghbrxkdyhixoovzdj Clues Caesar Cipher Shift of three

  5. How and why Explain how data is encrypted 3 Explain why data is encrypted 2 What other methods would you suggest to Cable Ties ltd to keep their customer data secure? 4 REASONS AND EXAMPLES

  6. How and why Cable Ties ltd need to transfer some customer data by email. Describe how data encryption could be used the ensure the data is transferred securely. (3)

  7. Physical methods of Data Security Research how to physically keep data secure Create a one sided advice leaflet for Cable Ties on what advice / guidance they should follow Include examples

  8. Plenary “Share with your table one new thing you have learnt today” Which picture best represents your learning and why? What have you learnt today?

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