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How to Securely Erase Data
How to: Data Erasure/Disposal
Hard Disk Drives (HHDs)
Eraser – Free (Open Source) Windows
DBAN – Free (Open Source) Windows
File Shredder – Free Windows
Freeraser - Free Windows
Ccleaner – Commercial
Solid State Drives (SSDs)
The best method to use for any (Windows, Mac, *nix) SSD is full-disk encryption. This means that the entire disk will need to be securely erased and reformatted to securely remove all remnants of data if it is to be reused or securely destroy the encryption key.
- Full disk encryption and complete erasure of the disk:
- For systems with SSD where you would like to partially encrypt and securely delete only files and folders (not the entire disk) on Mac, Linux and Windows, there is an open source solution.
- Vera Crypt Encryption – Free (Open Source) Mac, Linux, Windows