Drilling: Destroying storage devices with a drill - you can destroy all the platters of a hard drive or SSD chips.
Shredding: Use of an industrial shredder to physically shred hard drives and other storage devices into small pieces, ensuring that data recovery is nearly impossible.
Degaussing: A process that uses a high-powered magnet to disrupt the magnetic fields on storage devices, effectively erasing all data stored on them.
Incineration: Use of fire/high temperatures to destroy a hard drive.
Low-level formatting: A method used to prepare a hard drive for data storage by clearing individual disk partitions and rewriting the disk with zeroes. Makes the data unrecoverable.
Standard formatting/quick formatting: A formatting method that creates a new file table, but does not clear the data stored on the storage drive - it can be recovered with the right software.
Destruction is often done by a third party.
Certification of destruction/recycling: A certificate that verifies data has been destroyed according to customer requirements.
Regulatory and environmental requirements: Guidelines that dictate how electronic waste should be handled, ensuring compliance with laws to protect the environment and prevent hazardous materials from contaminating landfills.