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1
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- Ben Shneiderman
- August 3, 2005
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2
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3
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- Level 0: Stand alone PC with files only
- Personally secured, but
inaccessible
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4
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- Level 1: Stand alone PC with files, local printer, local disks, no input
- Personally secured, but limited
access
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5
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- Level 2: Stand alone PC with files, local printer, local disks, two way
- Personally secured, but limited
access
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6
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- Level 2: Stand alone PC with files, local printer, local disks, two way
- Personally secured, but limited
access
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7
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- Level 2: Stand alone PC with files, local printer, local disks, two way
- Personally secured, but limited
access
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8
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- Level 2: Stand alone PC with files, local printer, local disks, two way
- Personally secured, but limited
access
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9
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- Level 3: Stand alone PC with files, local printer, local disks, two way
- Multiple persons & groups
given access to some folders, higher protection inside interior walls
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10
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- Level 4: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet, WiFi, etc.
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11
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- Level 4: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet, WiFi, etc. for specified actions
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12
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- Level 4: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet, WiFi, etc. for specified actions
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13
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- Level 5: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet,
WiFi, etc. for specified actions. Firewall for protection
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14
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- Level 5: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet,
WiFi, etc. for specified actions. Firewall for protection
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15
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- Level 5: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet,
WiFi, etc. for specified actions. Firewall for protection
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16
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- Level 7: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet,
WiFi, etc. for specified actions. Firewall for protection
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17
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- Level 7: Networked PC with files, local printer, local disks, two way
- Access to outside world by LAN,
Internet,
WiFi, etc. for specified actions. Firewall for protection
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18
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- Ben Shneiderman
- August 3, 2005
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