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by Bedon292
1095 days ago
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I was looking at cleaning up some of my old drive, and I was basing my decisions on outdated information. At some point in the past it used to be necessary to do many overwrites to truly erase the data, and I was just stuck on that. Took me a bunch of research on modern drives and latest best practices before I was able to convince myself what I "knew" was no longer valid, and things have changed. I imagine that is where a lot of folks are at on this. Basically: It used to be possible, so maybe it still is. Not worth the risk, lets just go with the old best practices to be safe. |
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Even that has almost always been just a cargo cult. Some people (mainly from the hacker community) claimed that US government agencies can still read data from harddrives that have been erased. It has never been proven by any independent data recovery company.
It might have been somewhat true for MFM or RLL drives (these were before my time in IT), but at least since IDE drives, it was no longer true. However, the cult around "multiple erase cycles" still held, mainly because of companies like Norton etc. who sold snakeoil tools to "securely" erase your data