Password complexity recommendations : “xez&pAxat8Um” or “P4$$w0rd!!!!”? / Martin Salois.: D68-2/27-2014E-PDF

The password-cracking world is in turmoil. Many new technologies, such as graphic cards (e.g., NVidia CUDA or ATI/AMD GPUs), make easily available computing power that was previously reserved to very rich organizations. Many efficient tools followed using these technologies, for better or for worse. This report illustrates the type of performance one can obtain from a generic $2,000 computer and the lessons to learn on password length for different web sites and software programs. The larger conclusion is that an 11-character password, containing uppercase-lowercase-digits-symbols, is the ideal length for the foreseeable future when no other information is available. More characters are always better; less can be dangerous in the current state of the technology. The use of a password manager, a program that generates and manages strong, complex passwords, is strongly recommended.

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Publication information
Department/Agency Defence R&D Canada.
Title Password complexity recommendations : “xez&pAxat8Um” or “P4$$w0rd!!!!”? / Martin Salois.
Series title Scientific report ; 2014-R27
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) October 2014.
Includes bibliographical references.
Publishing information [Ottawa] : Defence Research and Development Canada, 2014.
Author / Contributor Salois, Martin.
Description vii, 18, [2] p. : fig., tables.
Catalogue number
  • D68-2/27-2014E-PDF
Departmental catalogue number DRDC-RDDC-2014-R27
Subject terms Computer security
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