I've heard that there are "standards" for a number of overwrites, and what patterns to use, . . .
On Thu, 7 Jan 2016, Chuck Guzis wrote:
The paper that got the most notice was from Peter Gutmann from the early 90s. https://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html
Thank you! That answers most of our ignorant questions. I wonder what the cost is to do those techniques.
