Patents by Inventor Woomin HWANG

Woomin 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).

  • Publication number: 20180246710
    Abstract: A software update apparatus and method in a virtualized environment. The software update method performed by a software update apparatus in a virtualized environment includes monitoring an operation that is invoked when software is updated in a guest operating system area, creating a software profile by analyzing results of the monitoring, mounting a virtual disk image for a target virtual machine in a target directory in a virtual machine monitor area, and incorporating update information of at least one of a file and a registry that are specified in the software profile into the target directory in which the virtual disk image is mounted.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 30, 2018
    Inventors: Sung-Jin KIM, Woomin HWANG, Byung-Joon KIM, Hyun-Yi YI, Chul-Woo LEE, Hyoung-Chun KIM
  • Publication number: 20170103202
    Abstract: An apparatus and method for monitoring a virtual machine based on a hypervisor. The method for monitoring a virtual machine based on a hypervisor includes monitoring an attempt to access an executable file located in a virtual machine, when the attempt to access the executable file is detected, extracting a system call transfer factor, input through a task that attempted to make access, acquiring, based on the system call transfer factor, an execution path corresponding to the executable file and a reference path corresponding to a reference file that is executed together with the executable file, and checking based on the execution path and the reference path whether any of the executable file and the reference file is malicious, and collecting a file in which malicious code is present when the malicious code is present in any of the executable file and the reference file.
    Type: Application
    Filed: September 23, 2016
    Publication date: April 13, 2017
    Inventors: Sung-Jin KIM, Woomin HWANG, ByungJoon KIM, ChulWoo LEE, HyoungChun KIM
  • Publication number: 20170097828
    Abstract: Disclosed herein are an apparatus and method for booting a virtual machine. The apparatus for booting a virtual machine includes: an access unit for accessing a virtual disk, corresponding to a virtual machine that exists in a virtualization area, using a trap generated by a trap generation unit, and for controlling the input and output of data stored in the virtual disk; an extraction unit for extracting data used for booting from the virtual disk; and a verification unit for extracting a trusted boot image from image storage and verifying the integrity of the data used for booting based on a result of comparing the trusted boot image with the data used for booting.
    Type: Application
    Filed: March 14, 2016
    Publication date: April 6, 2017
    Inventors: Sung-Jin KIM, Woomin HWANG, Byung-Joon KIM, Chul-Woo LEE, Hyoung-Chun KIM