Security device using multiple operating system for enforcing security domain
First Claim
1. A security device using multiple operating systems for enforcing security domain policies;
- said security device being installed in a computing device having a hard disk drive;
said security device allowing a user to boot up said computing device with a specific operating system and said operating system communicating only with computing devices within a corresponding domain; and
said security device comprising;
a disk controller, wherein said disk controller partitions said hard disk drive into a working area and a backup area;
at least two operating systems are installed into separate system areas respectively within said working area under a configuration mode of said disk controller;
each system area'"'"'s operating system and data is backed up to said backup area under a backup mode of said disk controller;
said disk controller issues a selection signal when a user chooses to boot up said computing device with a specific operating system; and
said disk controller limits said specific operating system to access only its system area; and
a network port group, wherein said network port group comprises at least two network ports;
each of said network ports is connected to a specific security domain via a separate network cable respectively;
said network port group upon receiving said selection signal limits a currently running operating system to communicate only with its corresponding security domain via a specific network port.
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Accused Products
Abstract
A security device using multiple operating systems for enforcing security domain policies is provided. The device is installed in a computing device having a hard disk drive and allows multiple operating systems to be installed on the hard disk drive, each of which is configured to communicate only with computing devices in a specific security domain. The device contains a disk controller and a network port group. The disk controller issues a selection signal to the network port group when a user decides to boot the computing device with a specific operating system. The network port group contains at least two network ports, each of which is connected to different security domains respectively. After receiving the selection signal from the disk controller, the network port group would only allow the computing device to communicate to a specific domain via the corresponding network port.
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Citations
10 Claims
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1. A security device using multiple operating systems for enforcing security domain policies;
- said security device being installed in a computing device having a hard disk drive;
said security device allowing a user to boot up said computing device with a specific operating system and said operating system communicating only with computing devices within a corresponding domain; and
said security device comprising;
a disk controller, wherein said disk controller partitions said hard disk drive into a working area and a backup area;
at least two operating systems are installed into separate system areas respectively within said working area under a configuration mode of said disk controller;
each system area'"'"'s operating system and data is backed up to said backup area under a backup mode of said disk controller;
said disk controller issues a selection signal when a user chooses to boot up said computing device with a specific operating system; and
said disk controller limits said specific operating system to access only its system area; and
a network port group, wherein said network port group comprises at least two network ports;
each of said network ports is connected to a specific security domain via a separate network cable respectively;
said network port group upon receiving said selection signal limits a currently running operating system to communicate only with its corresponding security domain via a specific network port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- said security device being installed in a computing device having a hard disk drive;
Specification