Yes. Erase works at the OS's level, not at the USB's key's level. A file erase using eraser will randomly write to cells on the USB key because the wear-levelling the USB key does once it receives the "write" command from the OS. What cells get written to are not dependent on the OS's write...
USB Erasure
In other words, to truly "erase" any given file on a USB key drive, the program doing the erasing would have to interact directly with the low-level routine of the USB key drive so that the memory cells that contain the copy you want to erase can be written to directly.
The problem lay in the fact that it is not "overwriting" the file. When you save a new copy of a file over an old copy of the file in a USB drive, it doesn't overwrite the cells that the old copy occupies. Instead, it marks those cells as available (but the contents still remain) and then...
There seems to be a serious misunderstanding about the way USB drives work on this forum which can lead to security risks. Virtually every post I've seen on the subject here states that USB drives can be securely erased using eraser "because they are magnetic." However, that's simply not the...
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