US 12,452,258 B2
Network security monitoring device and method based on security packet of terminal
Jong Min Kim, Seoul (KR); Ho Jeong Hwang, Seongnam-si (KR); and Seong Ki Shin, Seoul (KR)
Assigned to MAGDATA INC., Seoul (KR)
Appl. No. 18/573,985
Filed by MAGDATA INC., Seoul (KR)
PCT Filed Jun. 22, 2022, PCT No. PCT/KR2022/008852
§ 371(c)(1), (2) Date Dec. 22, 2023,
PCT Pub. No. WO2022/270893, PCT Pub. Date Dec. 29, 2022.
Claims priority of application No. 10-2021-0081756 (KR), filed on Jun. 23, 2021; and application No. 10-2022-0076140 (KR), filed on Jun. 22, 2022.
Prior Publication US 2024/0333726 A1, Oct. 3, 2024
Int. Cl. G06F 12/00 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01); H04L 69/16 (2022.01); H04W 28/02 (2009.01)
CPC H04L 63/1408 (2013.01) [H04L 69/16 (2013.01); H04W 28/0273 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A network security monitoring method performed by a network monitoring device, the method comprising:
monitoring a status of a client terminal;
obtaining a security check packet, generated based on a result of the monitoring, from a network, the security check packet containing user ID (UID) information of the client terminal, length information, and monitoring result information;
obtaining a mirroring packet, mirrored in a network switch device, from the network; and
performing security monitoring on the network based on at least one of the security check packet and the mirroring packet.