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BCWipe

Lifewire – 40 Best Free Data Destruction Software Programs

Iron Mountain – Data Wiping: On ITAD and Secure Sanitization of Your Virtual and Physical IT Assets

Mini Tool – Data Sanitization: Wipe vs Erase vs Format vs Delete

Western University – Current Recommended Practices for Destroying Data and/or Data Devices

Stanford – Data Sanitization

Carnegie Mellon University – Data Sanitization and Disposal Tools