![]() ![]() ![]() All of the old utilities like secure-delete, nautilus-wipe, shred, etc were designed for a simpler age of HDDs and don't really work with EEPROM-type devices. So filling a stick with 0's would leave no further room for the primitive little ARM brain to shuffle things around, and if can't do its job, it is not smart enough to recover gracefully, so it just gives up the ghost. Full erasure is likely achievable by filling the stick entirely with 0s, but this risks bricking the stick due to a peculiarity of EEPROM memory: their actual "rest" state is 1, not 0. As far as I know, there is no way to bypass this function. ![]() It intercepts all write requests from any OS and then uses its primitive but tenacious little brain to scatter new data to the least used fields in the interest of wear levelling. HermanAB is right: the little ARM chip inside the stick will defeat every attempt to write anything directly to a physical field. I am also under the impression (perhaps mistaken) that creating a new partition table then reformatting would make it fairly difficult to get any usable data from the device.Unfortunately, these methods won't work in the case of USB sticks. I believe that either or both overwrite selected files. There are "secure-delete" and "nautilus-wipe" in the repositories. ![]()
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