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US 7,441,272 B2Granted
Techniques for self-isolation of networked devices
AssigneeIntel Corporation
InventorsDavid M. Durham, Ravi Sahita, Priya Rajagopal, James Kardach, Scott Hahn, Raj Yavatkar
Life of this patent
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Abstract
A technique for self-isolation of a network device that has been identified as potentially harmful. The network device may be isolated from the network except for an out-of-band communication channel that can be used for management purposes to restore or repair the device prior to the network connection being re-established.
Claims27
A method comprising:
- performing a security analysis of a host electronic system coupled with a network;
- selectively disabling one or more devices coupled with a host bus in response to results of the security analysis;
- and
- maintaining an out-of-band network connection that is not accessible by a host operating system during the self-isolation to support remedial actions in response to the results of the security analysis.
1 more element
An article comprising a machine-readable medium having stored thereon instructions that, when executed, cause one or more processors to:
- perform a risk assessment self-analysis of a host electronic system coupled with a network;
- selectively self-isolate the host electronic system by disabling one or more network communications channels for the host electronic system in response to results of the risk assessment analysis;
- and
- maintain an out-of-band network connection that is not accessible by a host operating system during the self-isolation to support remedial actions in response to the results of the security analysis.
1 more element
A system comprising:
- one or more network interfaces;
- a machine-readable medium having stored thereon instructions that, when executed, cause one or more processors to perform a security analysis of the system, selectively logically disable one or more of the network interfaces in response to results of the risk assessment analysis, and maintain an out-of-band network connection that is not accessible by a host operating system during the self-isolation to support remedial actions in response to the results of the security analysis.
Dependencies are inferred from the claim text.