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How to Securely Erase Private Data

Easier and More Secure Alternatives to Using Windows and Eraser - Part 2

Secure Data Erasers / Wipers / Shredders

Data Erasers in Mac OS X


  1. Disk Utility (has 3 erasing options: Zero Out Data - not secure, 7-Pass Erase - sufficient for modern hard drives and 35-Pass Erase - designed for old hard drives and according to Peter Gutmann no more secure than 7 passes on modern hard drives)
  2. Permanent Eraser for OS X 10.0.x - 10.2.x and Secure Empty Trash in Mac OS X 10.3 or Later (erases files with seven overwrites using the DOD standard or 35 with Gutmann)
  3. FileVault's ''secure erase'' skip

Data Erasers for Mac OS and BSD


Data Erasers for GNU/Linux


If you want to keep using Windows, it's a lot easier to use IE Privacy Keeper (free) or one of the following free or commercial privacy software to securely erase your desktop and Internet history and other private files than to do it with Heidi Computers Ltd.'s Eraser.

Free Data Erasers for Windows


Commercial Data Erasers for Windows


Secure Erasing Guide

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