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

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

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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 difficult for normal aptamil allerpro users to access.This paper focuses on attack models for such hidden areas.Malicious hackers use advanced over-provisioning techniques that vary capacity according to workload, and as such, our focus is on attack models that use variable over-provisioning technology.According to these attack models, it is possible to scan for invalid blocks containing original data or malware code that is hidden in the over-provisioning area.

In this paper, we outline the different forensic processes performed for each memory cell type of chervo jacke herren the over-provisioning area and disclose security enhancement techniques that increase immunity to these attack models.This leads to a discussion of forensic possibilities and countermeasures for SSDs that can change the over-provisioning area.We also present information-hiding attacks and information-exposing attacks on the invalidation area of the SSD.Our research provides a good foundation upon which the performance and security of SSD-based databases can be further improved.