In his latest LTN column, Ball in Your Court, Craig Ball debunks the long-held hard drive multi-pass erasure myth, that goes like this: "Top notch computer forensic examiners have special tools and techniques enabling them to recover overwritten data from a wiped hard drive so long as the drive was wiped less than 3 or 7 or 35 times." The myth also goes that someone using a magnetic force electron microscope would be able to discern the trace magnetic signal left behind on a drive that wasn't wiped enough times, and somehow piece together the underlying wiped data. Which is...
