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It's not pointless - it's pretty standard practice. For example, although drives in Google Cloud are encrypted at rest, once they are decommissioned the drives
by rhencke 7y ago
It's not pointless - it's pretty standard practice.
For example, although drives in Google Cloud are encrypted at rest, once they are decommissioned the drives are physically destroyed: https://cloud.google.com/security/deletion/#ensuring_safe_and_secure_media_sanitization https://cloud.google.com/security/deletion/#ensuring_safe_an...
- dividuum 7y ago> When a hard drive is retired, authorized individuals verify that the disk is erased by overwriting the drive with zeros and performing a multi-step verification process to ensure the drive contains no data. Thanks. I guess the reason is to avoid future decryption due to either a new crypto attack or to avoid being vulnerable to potential errors in key generation.