SSD Security: Erase Solid State Drives Data

While it is still not common sense to securely erase data on hard drives (read: Securely Erase Files) before computers or hard drives are sold or given away the matter becomes even more complicated where SSD – Solid State Drives – are concerned. The positive aspect of Solid State Drives is that data cannot be recovered if it is overwritten on the drive which means that only one pass would be needed to erase the data on the SSD. The bad news however is that not the operating system but the controller is specifying where the data is written on the SSD.

This in effect means that all methods of overwriting free space are not sufficient for erasing the data securely on those drives. This also means as well that it is not possible to erase specific files securely on the SSD. Users who want to delete data securely on SSDs have therefor the following options at hand:

• Encryption
• Format
• Filling the Drive

Encryption is surely the best method of ensuring that the data on a SSD is secure as it cannot be accessed without decryption. Formatting the drive on the other hand is only reasonable if no data on that drive is needed anymore. It would otherwise require extensive backup and restoration procedures. Filling the drive with data might work as well as it would overwrite anything on the drive as well.

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Tags: erase data, erase ssd data, hard-drives, solid state drives, ssd, ssd security, ssd tips
Categories: Hardware, Security, Tutorials Basic

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