Security

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Chapter 1 ICT & Society

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Security

  1. 1. SECURITY MEASURE ANTIVIRUS ANTISPYWARE CRYTOGRAPHY FIREWALL DATA BACKUP HUMAN ASPECT
  2. 2. SOFTWARE SYSTEM SOFTWARE APPLICATION SOFTWARE WORD PROCESSOR PRESENTATION SPREADSHEET DATABASE GRAPHIC UTILITY OPERATING SYSTEM GAMES FILE MANAGEMENT DIAGNOSTIC UTILITY FILE COMPRESSION ANTIVIRUS BACKUP
  3. 3. ANTIVIRUS is a utility program that we use to protect a computer against viruses
  4. 6. FIREWALL
  5. 7. ANTISPYWARE
  6. 11. Plain Text Plain Text Plain Text encryption descryption troops heading west need more supplies. send general dubois' men to aid TIDIE MRNME REOGO SANOW RSLTP EEEDO SSSNU AHTUD BIENP GODAE PEIDE LNS Plain Text Ciphertext Ciphertext Plain Text cipher = secret plain = normal Plain Text CRYTOGRAPHY

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