When it comes to destroying a hard drive, the most secure option is using a physical hard drive shredder. These shredders are designed to completely destroy a hard drive by cutting it into very small pieces, making it impossible to reconstruct the data stored on the drive. Most shredders have a range of cutting sizes, from small strips to tiny particles, allowing them to be used for different levels of data destruction. Some shredders are also capable of destroying other types of media, such as CDs and DVDs. In addition to shredders, some organizations may use degaussers or degaussing machines to erase the data stored on the hard drive. However, these are less secure than physically shredding the drive, as there is still a possibility that the data can be recovered.