>>> On 5/24/2014 at 09:32 AM, John Gilmore <[email protected]> wrote: > There are war stories, anecdotal evidence, that this is sometimes the > case; but I know of no systematic study of the effectiveness of > periodic-password-change rules.
I have no idea how rigorous this was, but it's at least one example: http://www.cs.unc.edu/~yinqian/papers/PasswordExpire.pdf Mark Post ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
