Security Basics mailing list archives

Re: Password Management


From: l00t3r <l00t3r () gmail com>
Date: Mon, 24 Apr 2006 15:13:23 -0400

Bruce Schneier once upon a time wrote in his blogs, as so did
Microsoft about writing your passwords down.  Articles are below for
you to read, summed up it's better to write down "tough" passwords and
use multiple ones than to chose one that is easier to remember and use
it for multiple systems.

http://tinyurl.com/astwh
http://tinyurl.com/8tuz3

On 21 Apr 2006 18:13:45 -0000, nightwatchman () comcast net
<nightwatchman () comcast net> wrote:
Passwords should:

1.)  change every 90 days

2.)  contain atleast a combination of 3 classes of characters i.e. one or more uppercase, lowercase, non alpha 
numeric, and numeric.

3.) not be the same as the person's name, address or birthday or easily guessed from a person's personal information.

4.) not be written down.

5.) difficult to guess but easy to remember - phrases with substituted character classes seem to be easy to remember 
and work best for this.

6.) should not be stored unencrypted

7.) centrally managed in an authentication system.

8.) they shouldnt be shared with other users.

Service accounts ofcourse aren't subject to the 90 day limit.



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