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Data Destruction. How to Erase your Hard Drive’s so that there is no data leakage from your company and so that your company and officers won’t be held financially responsible . By: Lloyd Albin 3/9/2010. How this all got started .

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data destruction

Data Destruction

How to Erase your Hard Drive’s so that there is no data leakage from your company and so that your company and officers won’t be held financially responsible.

By: Lloyd Albin

3/9/2010

how this all got started
How this all got started.
  • Needing to get rid of more than 3 truck loads of computers (major computer pack rat).
  • Known Methods:
    • Re-Formatting
    • Re-Partitioning
    • Overwriting multiple times
    • Degaussing
    • Opening and breaking the platters
    • Cooking in oven
cleaning software block erase
Cleaning Software – Block Erase
  • Darik’sBoot and Nukehttp://www.dban.org/
  • Eraserhttp://eraser.heidi.ie/
  • Active KillDiskhttp://www.killdisk.com/
  • File Shredderhttp://www.fileshredder.org/
  • Paragon Disk Wiper Professionalhttp://www.disk-wiper.com/
purging software secure erase
Purging Software – Secure Erase
  • CCMR Secure Erase (HDDErase) http://cmrr.ucsd.edu/people/Hughes/SecureErase.shtml
  • Hddparmhttp://sourceforge.net/projects/hdparm/http://hdparm-win32.dyndns.org/hdparm/
what does secure erase do
What does Secure Erase do?
  • Security Set Password (F1h)
  • Security Freeze Lock (F5h)
  • Security Erase Prepare (F3h)
  • Security Erase Unit (F4h)
  • Security Unlock (F2h)
  • Security Disable Password (F6h)
what does sanitize device do
What does Sanitize Device do?
  • Sanitize Freeze Lock Ext (20h)
  • Sanitize Prepare (FFh) *
  • Sanitize Status Ext (0h)
  • Crypto Scramble Ext (11h)
  • Block Erase Ext (12h)
  • Overwrite Ext (14h)
references
References
  • http://cmrr.ucsd.edu/people/Hughes/CmrrSecureEraseProtocols.pdf
  • Peter Gutmannhttp://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html
  • NIST 800-88http://csrc.nist.gov/publications/nistpubs/800-88/NISTSP800-88_rev1.pdf
  • http://mareichelt.de/pub/notmine/sanitizing.html
  • http://www.t13.org/Documents/UploadedDocuments/docs2009/d2015r2-ATAATAPI_Command_Set_-_2_ACS-2.pdf
  • http://ata.wiki.kernel.org/index.php/ATA_Secure_Erase
  • http://www.t13.org/Documents/UploadedDocuments/docs2008/e07197r1-T13_Sanitize_Command_Proposal_Overview.pdf
  • Overwriting Hard Drive Data: The Great Wiping Controversyhttp://www.springerlink.com/content/408263ql11460147/
  • http://en.wikipedia.org/wiki/AT_Attachment
  • http://www.killdisk.com/downloads/KillDisk_Win5.pdf
  • http://www.seagate.com/staticfiles/support/disc/manuals/notebook/momentus/5400.6%20(Wyatt)/100528359e.pdf
  • http://www.redbooks.ibm.com/technotes/tips0761.pdf
  • http://www.h-online.com/newsticker/news/item/Secure-deletion-a-single-overwrite-will-do-it-739699.html