On 4 Feb 2008 10:15:04 -0800, [EMAIL PROTECTED] (Mike Baldwin) wrote: >>*SUPPOSEDLY* the CIA (NSA??) was able to read a disk even after data >>has been written on it, even after 10 or 11 times. > >Hi Ed, > >I thought it interesting that you mentioned 11 times. > >In a customer security standard document (that I cannot quote), that refers >to U.S. DoD standards, when overwriting at least 12 times is recommended. >One might infer that 11 times is considered insufficient. It doesn't give the >reason.
I suspect that for this kind of security, overkill is standard. If 5-6 times seems iffy, be safe and double this value. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

