公开(公告)号：US20240330462A1

公开(公告)日：2024-10-03

申请号：US18429852

申请日：2024-02-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung-Ho LEE ,  Youngjoo MOON ,  Jiman JEONG

IPC: G06F21/56 ,  G06F11/14

CPC classification number: G06F21/566 ,  G06F11/1469 ,  G06F2201/84 ,  G06F2221/034

Abstract: Disclosed is an operation method of a storage device, which includes detecting a ransomware attack on one or more tenants executed in a host, updating a tenant status table including a status of each of the one or more tenants based on a result of the detection, writing recovery information for data recovery in a non-volatile memory depending on whether a status value of a tenant corresponding to the write request from among the one or more tenants is a status value corresponding to a warning status from among a plurality of status values, when a write request is received from the host, and performing the data recovery depending on the recovery information, when a recovery signal is received from the host.