Behavioral-based control of access to encrypted content by a process

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United States of America Patent

PATENT NO 10657277
APP PUB NO 20180075249A1
SERIAL NO

15817705

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Abstract

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Securing an endpoint against exposure to unsafe content includes encrypting files to prevent unauthorized access, and monitoring an exposure state of a process to potentially unsafe content by applying behavioral rules to determine whether the exposure state is either exposed or secure, where (1) the process is initially identified as secure, (2) the process is identified as exposed when the process opens a network connection to a URL that is not internal to an enterprise network of the endpoint and that has a poor reputation, (3) the process is identified as exposed when it opens a file identified as exposed, and (4) the process is identified as exposed when another exposed process opens a handle to the process. Access to the files may be restricted when the process is exposed by controlling access through a file system filter that conditionally decrypts files for the process according to its exposure state.

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Patent Owner(s)

Patent OwnerAddress
SOPHOS LIMITEDABINGDON

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berger, Andreas Linz, AT 93 880
Merry, Anthony John Kessel-lo, BE 12 518
Ray, Kenneth D Seattle, US 181 5621
Schütz, Harald Linz, AT 13 438
Shaw, John Edward Tyrone Oxford, GB 13 323
Thomas, Andrew J Oxfordshire, GB 148 3673

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