Security Basics mailing list archives

RE: Length vs Complexity


From: "David Gillett" <gillettdavid () fhda edu>
Date: Thu, 16 Sep 2010 10:28:28 -0700

 "Security.Basics.List" is likely to take longer to brute force without
additional intelligence than "D*3ft!".  It's also easier to remember -- and
easier to guess, and if you know your target uses that sort of thing as a
password, you can shorten the brute force time significantly.

  As usual with metrics:  Brute force time is *easy to measure*, but may not
be an adequate metric for what we really want: "better security".

David Gillett

-----Original Message-----
From: Mike Razzell [mailto:m.razzell () gmail com]
Sent: Thursday, September 16, 2010 10:02
To: security-basics () securityfocus com
Subject: Length vs Complexity

Users hear constantly that they should add complexity to their passwords,
but from the math of it doesn't length beat complexity (assuming they don't
just choose a long word)?  This is not to suggest they should not use
special characters, but simply that something like Security.Basics.List
would provide better security than D*3ft!7z.  Is that correct?

Thanks,
-Mike

--
Sent from my mobile device

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------------------------------------------------------------------------
Securing Apache Web Server with thawte Digital Certificate
In this guide we examine the importance of Apache-SSL and who needs an SSL certificate.  We look at how SSL works, how 
it benefits your company and how your customers can tell if a site is secure. You will find out how to test, purchase, 
install and use a thawte Digital Certificate on your Apache web server. Throughout, best practices for set-up are 
highlighted to help you ensure efficient ongoing management of your encryption keys and digital certificates.

http://www.dinclinx.com/Redirect.aspx?36;4175;25;1371;0;5;946;e13b6be442f727d1
------------------------------------------------------------------------


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