Originally Posted by antarius
Exactly, they make programs that do a true format and it does exactly what you said. It just writes and rewrites a block of data like a thousand times and then deletes the table of contents, then does a low level format.
They say there's still ways to get that information with direct magnetic reading to look for "imprints."
The guy was going to tell me exactly how, but my tin foil hat interfered with my phone's reception