Patents by Inventor Guoyi Yan
Guoyi Yan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10097514Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: January 1, 2018Date of Patent: October 9, 2018Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20180124017Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: January 1, 2018Publication date: May 3, 2018Applicant: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Patent number: 9860212Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: May 23, 2017Date of Patent: January 2, 2018Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20170257347Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: May 23, 2017Publication date: September 7, 2017Applicant: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Patent number: 9729511Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: March 11, 2017Date of Patent: August 8, 2017Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20170187683Abstract: Systems and methods for filtering unsafe content by a network security device are provided. According to one embodiment, a network security device captures network traffic and extracts a media file from the network traffic. The network security device then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security device performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: March 11, 2017Publication date: June 29, 2017Applicant: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Patent number: 9660958Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: July 30, 2016Date of Patent: May 23, 2017Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20160337316Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: July 30, 2016Publication date: November 17, 2016Applicant: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Patent number: 9419998Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: April 19, 2016Date of Patent: August 16, 2016Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20160234228Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: April 19, 2016Publication date: August 11, 2016Applicant: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Patent number: 9319384Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: GrantFiled: April 30, 2014Date of Patent: April 19, 2016Assignee: Fortinet, Inc.Inventors: Guoyi Yan, Juneng Zheng
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Publication number: 20150319138Abstract: Systems and methods for filtering unsafe content at a network security appliance are provided. According to one embodiment, a network security appliance captures network traffic and extracts a media file from the network traffic. The network security appliance then determines the presence of a hidden data item embedded in the media file in a machine-readable form. When such a hidden data item is identified, the network security appliance performs one or more actions on the media file based on a predefined security policy.Type: ApplicationFiled: April 30, 2014Publication date: November 5, 2015Applicant: FORTINET, INC.Inventors: Guoyi Yan, Juneng Zheng
