Can a CD-R drive force a second pass burning over existing data to make the disc... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		Dwedit 5 months ago \| parent \| context \| favorite \| on: Testing DVD-R and CD-R 25 years later: optical dis... Can a CD-R drive force a second pass burning over existing data to make the disc unusable? Perhaps with drive firmware modification.

rasz 5 months ago | [–]

Afaik you can "erase" contents of a disk with open session. Data is still there just invisible without specialized tools, enough to fool non nerds.

dist-epoch 5 months ago | [–]

It would be safer to use a read-only drive when reading back the backups.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact