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8

It would probably not be overly difficult to have firmware overwrite a portion of the disk so that it could no longer be read via ordinary means (if one wanted to destroy an entire disk, physical destruction is much more practical than overwriting). It would be difficult, however, to ensure that the data could not be recovered via microscopic examination or ...


39

This actually exists and is called smart erase. It is Lite-On proprietary and I have never seen anyone use this. With SmartErase users can erase the data on DVD±R (DL) and CD-R discs that contain confidential data and which should not be retrievable in any way. The feature works by overwriting the original data on the disc with random meaningless ...


21

If your intent is to destructively erase data, then yes this is possible. But there are easier and faster ways. shredding, burning, melting, solvents. There simply has not been the demand to allow it, and some demand to prevent it. Optical drives are heading the way of the floppy, so like the optical serial mouse, this may never be commercial reality. ...


71

I understand that read-only mode prevents further writes, but can't a burner just ignore that and burn over the original data anyway? Yes, if you modify the firmware on the burner then you could do that. That means either having access to the firmware's source in the first place (read: support from the manufacturer) or some tricky manipulation. I ...


2

Try safecopy http://safecopy.sourceforge.net/ - seems to exist for this purpose.



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