公开(公告)号：US20240176715A1

公开(公告)日：2024-05-30

申请号：US18521739

申请日：2023-11-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunho YOUM ,  Yongmin KIM ,  Seungho LEE ,  Jiman JEONG ,  Myungsik CHOI

IPC: G06F11/22

CPC classification number: G06F11/2268

Abstract: A storage device is provided. The storage device includes: a first memory configured to store a plurality of pieces of debug information; and a controller configured to: check an access level of target debug information among the plurality of pieces of debug information according to a debug information read command provided by a host device; and perform a security operation for the target debug information based on the access level of the target debug information.

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.

公开(公告)号：US20240235829A1

公开(公告)日：2024-07-11

申请号：US18357384

申请日：2023-07-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jiman JEONG ,  Yongmin KIM ,  Yunho YOUM ,  Seungho LEE

IPC: H04L9/08 ,  H04L9/30

CPC classification number: H04L9/088 ,  H04L9/0869 ,  H04L9/30

Abstract: A storage device inventive concepts includes a controller configured to receive data and generate a first encryption key; and a memory storing a second encryption key, wherein the controller may be further configured to encrypt the data with the first encryption key, encrypt the first encryption key with the second encryption key, and store the encrypted data and the encrypted first encryption key in the memory.