TL;DR: The Data Shredder Stick Secure Data Wiping Tool can wipe hard drives on Windows PC’s for just $39.99 (MSRP $59.99).

To make sure a deleted file can't be recovered, you'll need to use a third-party shredding tool. Here's a look at three such free programs: Eraser, File Shredder, and Freeraser. We all know that ...

This could be a problem for those who intend to delete confidential data permanently. The deletion tools which delete data in a manner that cannot be recovered are called secure delete software ...