People are increasingly storing more and more of their lives on hard drives, SD cards, mobile phones and tablets. Whether it’s family photos, financial and bank details or identification scans, most of our drives contain data that we don’t want to get out there. If you’re getting a new hard drive, it can be tempting to delete everything on the old one, and then sell it. But unless you securely erase it, your files may still be accessible, meaning an old drive can be a goldmine for cyber criminals. Simply performing a standard format will not do. So how do you ensure nobody can access your hard drive’s data?