US 11,886,565 B2
Server that supports security access of terminal device of the user and controlling method thereof
Docheol Kim, Seoul (KR); Byungmu Chun, Uiwang-si (KR); Dongheon Kim, Uiwang-si (KR); Dongkwan Yuk, Uiwang-si (KR); Se Young Kim, Seoul (KR); and Wooho Chi, Seoul (KR)
Assigned to National Agricultural Cooperative Federation, Seoul (KR)
Filed by NATIONAL AGRICULTURAL COOPERATIVE FEDERATION, Seoul (KR)
Filed on Aug. 11, 2022, as Appl. No. 17/885,641.
Claims priority of application No. 10-2022-0027708 (KR), filed on Mar. 3, 2022; application No. 10-2022-0036302 (KR), filed on Mar. 23, 2022; application No. 10-2022-0036580 (KR), filed on Mar. 24, 2022; and application No. 10-2022-0036620 (KR), filed on Mar. 24, 2022.
Prior Publication US 2023/0281288 A1, Sep. 7, 2023
Int. Cl. G06F 9/455 (2018.01); G06F 21/33 (2013.01)
CPC G06F 21/33 (2013.01) [G06F 9/45558 (2013.01); G06F 2009/45562 (2013.01); G06F 2009/45587 (2013.01); G06F 2221/2129 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for supporting secure access to virtual machine on public cloud, the method comprising:
(a) confirming or supporting to confirm whether a terminal device of a user requests a virtual machine resource through a first network meeting a predetermined security requirement;
(b) after an allocation of the virtual machine to the terminal device of the user and a usage authority are confirmed and an authorization token is issued, in a state where the terminal device of the user communicates with the allocated virtual machine by verifying credential to virtual machine server on the public cloud using the authorization token, confirming or supporting to confirm a path of a packet transmitted or received between the terminal device of the user and the allocated virtual machine; and
(c) based on determination that the packet is transmitted through a second network that does not meet the predetermined security requirement as a result of the confirmation of the path, blocking a session connection between the terminal device of the user and the virtual machine or controlling the terminal device of the user to issue a security warning on the terminal device of the user,
wherein in the step (c),
based on the security warning being issued and a feedback being not obtained for a predetermined time or longer from the terminal device of the user, blocking or supporting to block the session connection between the terminal device of the user and the virtual machine.