alt Hacker NewsAs far as I know, there is NO way to securely erase a USB flash drive (barring some undocumented vendor specific commands that may exist).
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jeffbee • today at 5:21 AM
This is broadly true of cheap thumb drives, but not true of all USB flash drives. The larger ones generally do support secure erase. E.g. the Crucial X6. I don't know if these use secret vendor commands, or if they use the standard SCSI "sanitize" command.
Overwrite every single bit with innocuous files?