activity
20172023
most citedSecurity of IoT Device: Perspective Forensic/Anti-Forensic Issues on Invalid Area of NAND Flash Memory

10 citations · 13 across the 4 of their papers we have counts for

collaborators

6 papers

cs.CR2023★ 2 cited

IoT Security: On-Chip Secure Deletion Scheme using ECC Modulation in IoT Appliances

Na Young Ahn, Dong Hoon Lee

NAND flash memory-based IoT devices inherently suffer from data retention issues. In IoT security, these retention issues are significant and require a robust solution for secure d…

cs.CR2022★ 10 cited

Security of IoT Device: Perspective Forensic/Anti-Forensic Issues on Invalid Area of NAND Flash Memory

Na Young Ahn, Dong Hoon Lee

NAND flash memory-based IoT device can potentially still leave behind original personal data in an invalid area even if the data has been deleted. In this paper, we raise the foren…

cs.CR2021

Forensic Issues and Techniques to Improve Security in SSD with Flex Capacity Feature

Na Young Ahn, Dong Hoon Lee

Over-provisioning technology is typically introduced as a means to improve the performance of storage systems, such as databases. The over-provisioning area is both hidden and diff…

cs.SE2020★ 1 cited

Secure Vehicle Communications Using Proof-of-Nonce Blockchain

N. Y. Ahn, D. H. Lee

This paper presents an autonomous driving that achieves physical layer security. Proposed vehicle communication is implemented based on Proof-of-Nonce (PoN) blockchain algorithm. P…

cs.OH2017

Duty to Delete on Non-Volatile Memory

Na-Young Ahn, Dong Hoon Lee

We firstly suggest new cache policy applying the duty to delete invalid cache data on Non-volatile Memory (NVM). This cache policy includes generating random data and overwriting t…

cs.CR2017

Countermeasure against Side-Channel Attack in Shared Memory of TrustZone

Na-Young Ahn, Dong Hoon Lee

In this paper we introduced countermeasures against side-channel attacks in the shared memory of TrustZone. We proposed zero-contention cache memory or policy between REE and TEE t…