SANS – Technology Equipment Disposal Policy

NSA – Media Destruction Guidance

Michigan Technology University – Media Destruction Procedure

IRS – Media Sanitization Guidelines

NIST SP 800-88 Rev 1: Guidelines for Media Sanitization

Disk Wipe – Free and Portable Windows Application

FOSSBYTES – 6 Best Hard Drive Eraser Tools For Your PC: Wipe Hard Drive

Mini Tool – Top 10 Free Hard Drive/Disk Data Wipe Software for Windows 10/8/7

BCWipe

Lifewire – 40 Best Free Data Destruction Software Programs