How to erase storage Devices securely

This post gives some hints about how to erase a storage device securely. That means that data that was stored in the past on that device cannot be retrieved by any mean.

Deletion Methods

As a general rule, experts say that you need to erase the disk at low level at least 7 times.

Deletion Methods:

  • Quick erase. 1 step
  • RCMP TSSIT OPS-II. 8 steps. RCMP is the acronym for Royal Canadian Mounted Police.
  • DoD Short. Quick deletion in 3 steps
  • DoD 5220.22-M. 7 steps.
  • Gutmann Wipe. 35 steps
  • PRNG Stream. 4 or 8 steps.

Deletion Tools

Deletion tools featured on this post:

  • DBAN


OLVIDO is a tool developed by the National Crytographic Center of Spain (CCN, from the Spanish Centro Critol├│gico Nacional).

OLVIDO is available for Windows OS.

Official web


DBAN (Darik’s Boot and Nuke) is a popular deletion tool.

DBAN is intended for personal use only.

Official web

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