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Jason-
I don't know if this is still true but the 7 character password has
to due with windows, or the cracking programs splitting the password
hash into two parts of 7 each. I you have over seven on half comes out
short and is quicker to crack. After that the crack can use the
characters from the shorter half and see if they show up in the longer
half of the hash.
- --Turk
Jason T. Hallahan wrote:
I read somewhere that the optimal password length for a Windows system
is actually 7 alphanumeric characters... can anyone verify or expand
on that?
On 4/20/06, Crawley, Jim <Jim.Crawley@yrbrands.com> wrote:
Post-it notes on the monitor.
Really though, it's all pretty straight forward. Minimum 6-8
characters, no maximum (try to encourage pass-phrases as they're easier
to remember and harder to guess than simple words), complexity
(combination of alphanumeric characters), 60 day expiration, 5-20
password history. No exceptions. None, at all. Nill. Nada. Zip.
Most programs/systems there's not much you can do about the
storage of the passwords in the system itself, but if you're talking
about end-users then your biggest worry will be what I said in my first
line. The best way to avoid this is probably to try to integrate as
many systems as you can to use the same accounts.
Right now we're working on getting all our in-house and
supplier-built systems working off our Active Directory accounts pulling
the passwords via Kerberos from our domain controllers. This however
will also cause the issue of one system being compromised and they all
get compromised. It's a risk/benefit write-off thing - we think the
risk is worth it as the other option IS the dreaded post-it notes.
-----Original Message-----
From: Securi Net [mailto:securinet2004@yahoo.ca]
Sent: Friday, 21 April 2006 2:44 AM
To: security-basics@securityfocus.com
Subject: Password Management
Hello list members,
Does anyone know of any password management standards that are out
there?
I am looking at drafting an Enterprise wide strategy for managing
passwords, which should encompass change, exceptions to change, password
storage security, secure practices, categorization of accounts, etc.
What I am trying to accomplish is to give a robust and resilient
structure to all the best practices out there around password
management.
I don't expect to find a silver bullet, but would welcome any feedback.
Regards
CP
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