Data and system disposal (5.6)

• What are the methods of data and system disposal?

  Physical destruction, overwriting and electromagnetic wiping
• Explain electromagnetic wiping?


  Uses a machine called a degausser, which has a very strong electromagnetic coil to wipe the hard disk drive.
• Why do many organisations own a degausser?


  To ensure that their data is no longer on the devices they have used so it can't be restored and accessed by authorised users.
• What is overwriting?


  When data is sent to the hard disk drive to overwrite the binary values (reset data)
• Explain overwriting?


  Just once is not enough to remove all the information, meaning should be repeat several times.
• What are the types of legislations?


  WEEE, WAC, data protection act, hazardous waste directive and WAC
• what does WEEE stand for?


  Waste electronic and electrical equipment.