Detection of undesired computer files using digital certificates
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Dec 17, 2007
filing date -
Dec 17, 2006
priority date (Note) -
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Abstract
Methods and systems for detecting undesirable computer files based on scanning and analysis of information contained within an associated digital certificate chain are provided. According to one embodiment, a determination is made regarding whether there exists a certificate chain associated with a computer file. If the certificate chain is determined to exist, then the certificate chain is evaluated by extracting information from the certificate chain and analyzing the extracted information. The computer file is then classified into one of multiple categories based on the evaluation. Finally, the computer file is handled in accordance with a policy associated with the category to which it was assigned. For example, a confirmed or suspected undesired file may be quarantined and/or an end user or an administrator may be notified regarding the confirmed or suspected undesired file.
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