If delete a file, it isn't really gone because Windows just marks
the space they occupied as being available. And anyone with a
program such as Restoration
could probably recover them, meaning that personal data could get
into the wrong hands. The author of Sure Delete says that this free
program deletes the file, then wipes and removes the data left
over. The author has stopped updating or supporting the program,
but it appeared to work fine in my informal tests. I was unable to
recover several test files that I deleted with it. The program has
three deletion methods: a quick wipe (which overwrites the file 4
times, a Department of Defense method (which overwrites the file 7
times with random data), and a Super Secure mode which overwrites
it an impressive 24 times.
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