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Zorluk: OrtaData Destruction and Disposal Methods

Following a severe hardware malfunction in a storage array, a technician receives three magnetic hard disk drives (HDDs) with physically broken read/write head assemblies. Corporate policy requires that all drive platters be sanitized of sensitive corporate data before the physical chassis components are submitted for scrap recycling. Because software-based sanitization tools cannot communicate with the non-functional drive controllers, which method will effectively purge the data from these magnetic drives?

  1. Exposing the drives to a high-power degaussing fieldCevap
  2. B
    Executing a Cryptographic Erase (CE) command through the drive controller
  3. C
    Performing a multi-pass zero-fill overwrite using a bootable utility
  4. D
    Initiating a low-level format from the operating system disk management console

Cevap

Exposing the drives to a high-power degaussing field
Degaussing uses an intense magnetic field to disrupt and randomize the magnetic domains on disk platters. It is effective for magnetic media (such as HDDs and magnetic tapes) even when the drive has suffered mechanical or controller failure and cannot be powered on.

Adım Adım Çözüm

1
Analyze the operational condition of the media
The HDDs have broken read/write head assemblies and cannot be detected or written to by software utilities.
Selecting an appropriate sanitization method depends on whether the storage media is functional and accessible via software.
2
Evaluate sanitization methods against media failure state
Logical methods like zero-fill overwriting, formatting, and cryptographic erase require working drive electronics and heads.
When drive hardware fails mechanically, software-based sanitization tools cannot interface with the media.
3
Select physical/magnetic purging technique suitable for non-functional magnetic media
Degaussing applies a strong external magnetic field that neutralizes the alignment of magnetic particles on the platters without needing the drive mechanism to function.
Degaussing is the standard CompTIA A+ approved method for purging non-operational magnetic media.

Anahtar Kavram

Data Purging on Non-Functional Magnetic Media
Tahmini Süre:1m 0s
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Konular

Data Destruction and Disposal Methods

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