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Data Sanitization Process from Hard Disk Drive

Nooreen Ashilla Binti Yusof, Siti Norul Huda Binti Sheikh Abdullah, Mohamad Firham Efendy
Bin Md Senan, Nor Zarina Binti Zainal Abidin, Monaliza Binti Sahri, Najmi Syahiran Bin
Shaiful Azam and Muhamad Zuhairi Bin Abdullah

Abstract

This paper introduces a guideline for data sanitization from hard disk drive. The
workflow was proposed and tested using commercial data sanitization tools. Multiple
testing has been conducted at accredited digital forensic laboratory of CyberSecurity
Malaysia. Each Sanitization tool provides a selection wiping method either wipe using
single pass write or multi pass write. Logical checks in the hard disk sector are
performed during pre and post disposal process for proper verification. This is to ensure
that the entire sector has been replaced by sanitization pattern in correspondence to the
selected wiping method. In conclusion, our suggested guideline able to improve the
asset disposal process precisely on data disposal from the hard disk drive through the
verification of data sanitization pattern in the hard disk sector.

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