How are law enforcement agencies able to retrieve data off of a device or sim etc. that has been erased/deleted, yet we cannot retrieve our own lost data? Isn’t the point of erasing something to completely erase it…
In: Technology
As others have said, you don’t erase it normally, it’s just marked as free space to write in. To completely erase it you need to write over it various times, shred the hard drive and then melt it
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