If you have purchased a new Mac or have upgraded your hard drive on an older Mac, you may find when accessing the option to erase free disk space using Apple's Disk Utility that the controls for doing ...

Over on TidBITS Talk, user Lucas043 posed a question that prompted a fascinating discussion. Lucas043 has a Samsung Portable T7 SSD being used for backup. The SSD has intermittent access problems and ...

Incorporating advanced cryptographic erase technologies, Foremay’s self encrypting drives not only secure user information by implementing data encryption and file encryption on a full disk encryption ...

The option for secure deletion (overwriting) of single files was removed from Mac OS when El Capitan was released as they came to the conclusion that they could not "guarantee" secure deletion.

The disk in question is disk04 - a 128 GB SSD drive in an external USB enclosure. I booted the Macbook from a X.11 USB install drive and there was an internal SSD drive as well. a simple fdisk ...