Intrustion protection system utilizing layers
First Claim
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1. An Intrusion Protected Layered System for isolating intrusive attacks on a computing system in isolation layers, those attacks including modifications to at least files on the computing system, comprising:
- a computing system, said computing system capable of executing processes;
at least one storage device;
at least one file system located to said storage devices; and
computer executable instructions stored to said storage devices, said instructions executable by said computing system to perform the functions of;
(i) identifying running processes, said identifying optionally occurring at the the processes are initiated, (ii) assigning processes categorizations of trust, the categorizations of trust providing at least one “
suspicious”
categorization for processes at a level of suspicion sufficient to isolate write requests and at least one other categorization for other processes permitted to write to a file system or other storage container, (iii) operating at least one isolation layer capable of containing file objects, (iv) assigning an isolation layer to each process categorized under a “
suspicious”
categorization, (v) for processes categorized under a “
suspicious”
categorization, directing write requests into the isolation layer assigned for those processes, (vi) for processes not categorized under a “
suspicious”
categorization, permitting write requests to be written to a file system or other storage container rather than an isolation layer, and (vii) providing access to file objects located in isolation layers, the access being provided to at least the processes assigned to each corresponding isolation layer.
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Accused Products
Abstract
The inventions relate generally to protection of computing systems by isolating intrusive attacks into layers, those layers containing at least file objects and being accessible to applications, those layers further maintaining potentially intrusive file objects separately from regular file system objects such that the regular objects are protected and undisturbed. Also disclosed herein are computing systems which use layers and/or isolation layers, and various systems and methods for using those systems. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.
150 Citations
20 Claims
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1. An Intrusion Protected Layered System for isolating intrusive attacks on a computing system in isolation layers, those attacks including modifications to at least files on the computing system, comprising:
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a computing system, said computing system capable of executing processes;
at least one storage device;
at least one file system located to said storage devices; and
computer executable instructions stored to said storage devices, said instructions executable by said computing system to perform the functions of;
(i) identifying running processes, said identifying optionally occurring at the the processes are initiated, (ii) assigning processes categorizations of trust, the categorizations of trust providing at least one “
suspicious”
categorization for processes at a level of suspicion sufficient to isolate write requests and at least one other categorization for other processes permitted to write to a file system or other storage container,(iii) operating at least one isolation layer capable of containing file objects, (iv) assigning an isolation layer to each process categorized under a “
suspicious”
categorization,(v) for processes categorized under a “
suspicious”
categorization, directing write requests into the isolation layer assigned for those processes,(vi) for processes not categorized under a “
suspicious”
categorization, permitting write requests to be written to a file system or other storage container rather than an isolation layer, and(vii) providing access to file objects located in isolation layers, the access being provided to at least the processes assigned to each corresponding isolation layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An Intrusion Protected Layered System for isolating intrusive attacks on a computing system in isolation layers, those attacks including modifications to at least files on the computing system, comprising:
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a computing system, said computing system capable of executing processes;
at least one storage device;
a database containing process identity information and trust level information;
at least one file system located to said storage devices; and
computer executable instructions stored to said storage devices, said instructions executable by said computing system to perform the functions of;
(i) identifying running processes, said identifying optionally occurring at the the processes are initiated, (ii) assigning processes categorizations of trust, the assignment utilizing the trust level information contained in said database, the categorizations of trust providing at least one “
suspicious”
categorization for processes at a level of suspicion sufficient to isolate write requests and at least one other categorization for other processes permitted to write to a file system or other storage container,(iii) operating at least one isolation layer capable of containing file objects, (iv) assigning an isolation layer to each process categorized under a “
suspicious”
categorization,(v) for processes categorized under a “
suspicious”
categorization, directing write requests into the isolation layer assigned for those processes,(vi) for processes not categorized under a “
suspicious”
categorization, permitting write requests to be written to a file system or other storage container rather than an isolation layer, and(vii) providing access to file objects located in isolation layers, the access being provided to at least the processes assigned to each corresponding isolation layer. - View Dependent Claims (16, 17, 18, 19)
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20. An Intrusion Protected Layered System for isolating intrusive attacks on a computing system in isolation layers, those attacks including modifications to at least files on the computing system, comprising:
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a computing system, said computing system capable of executing processes;
at least one storage device;
a database containing process identity information and trust level information, wherein the process identity information includes executable file fingerprints;
at least one file system located to said storage devices; and
computer executable instructions stored to said storage devices, said instructions executable by said computing system to perform the functions of;
(i) identifying running processes, said identifying optionally occurring at the the processes are initiated, (ii) assigning processes categorizations of trust, the assignment utilizing the trust level information contained in said database, the categorizations of trust providing at least one “
suspicious”
categorization for processes at a level of suspicion sufficient to isolate write requests and at least one other categorization for other processes permitted to write to a file system or other storage container,(iii) operating at least one isolation layer capable of containing file objects, (iv) assigning an isolation layer to each process categorized under a “
suspicious”
categorization,(v) for processes categorized under a “
suspicious”
categorization, directing write requests into the isolation layer assigned for those processes,(vi) for processes not categorized under a “
suspicious”
categorization, permitting write requests to be written to a file system or other storage container rather than an isolation layer, and(vii) providing access to file objects located in isolation layers, the access being provided to at least the processes assigned to each corresponding isolation layer.
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Specification
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Current AssigneeCA, Inc. (d/b/a CA Technologies) (Broadcom, Inc.)
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Original AssigneeSymantec Corporation (NortonLifeLock Inc.)
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InventorsSainsbury, Michael E., Cook, Randall R., Kinghorn, Dwain A.
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current726/23
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CPC Class CodesG06F 21/53 by executing in a restricte...G06F 21/566 Dynamic detection, i.e. det...H04L 63/1441 Countermeasures against mal...H04L 63/16 Implementing security featu...
