Patents by Inventor Changyeon Hwang

Changyeon Hwang 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).

  • Patent number: 9525706
    Abstract: An apparatus for diagnosing malicious applications includes: a signature storage unit which stores malicious application executable files, which can be run in a mobile operating system, and common feature information of variant files derived from said malicious application executable files as signature data for diagnosing maliciousness; an information collection unit which collects information corresponding to common feature information from executable files which are targeted for diagnosis and are diagnosed as malicious or not; a diagnosis determination unit which compares the corresponding information collected by the information collection unit with the common feature information stored in the signature storage unit in order to determine whether the application executable files are malicious; and a result provision unit which provides the results of the determination of whether the application executable files are malicious from the diagnosis determination unit.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: December 20, 2016
    Assignee: AHNLAB, INC.
    Inventors: Seungwon Lee, Donghyun Kang, Seol Woo Joo, Yonggoo Kim, Changyeon Hwang
  • Publication number: 20150229673
    Abstract: An apparatus for diagnosing malicious applications includes: a signature storage unit which stores malicious application executable files, which can be run in a mobile operating system, and common feature information of variant files derived from said malicious application executable files as signature data for diagnosing maliciousness; an information collection unit which collects information corresponding to common feature information from executable files which are targeted for diagnosis and are diagnosed as malicious or not; a diagnosis determination unit which compares the corresponding information collected by the information collection unit with the common feature information stored in the signature storage unit in order to determine whether the application executable files are malicious; and a result provision unit which provides the results of the determination of whether the application executable files are malicious from the diagnosis determination unit.
    Type: Application
    Filed: July 9, 2013
    Publication date: August 13, 2015
    Inventors: Seungwon Lee, Donghyun Kang, Seol Woo Joo, Yonggoo Kim, Changyeon Hwang