Frankie Jarrett

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Harden the security of your site by preventing unauthorized access to stale user accounts.
This plugin is also ideal for sites needing to meet certain industry security compliances – such as government, banking or healthcare.
In the plugin settings you can set the maximum number of days users are allowed to use the same password (90 days by default), as well as which user roles will be required to reset their passwords regularly (non-Administrators by default).
Languages supported:
<ul>
<li>English</li>
<li>Czech</li>
<li>Español</li>
</ul>
Development of this plugin is done <a href="https://github.com/fjarrett/expire-passwords" rel="nofollow ugc">on GitHub</a>. Pull requests welcome. Please see <a href="https://github.com/fjarrett/expire-passwords/issues" rel="nofollow ugc">issues reported</a> there before going to the plugin forum.

Expire Passwords

Require certain users to change their passwords on a regular basis.

David Anderson / Team Updraft

This plugin forbids any user to choose any password from the “common passwords list” obtained from http://www.openwall.com/passwords/wordlists/, and requires any who are already doing so to reset their passwords.
<h3>License</h3>
Copyright 2012- David Anderson
MIT License:
Permission is hereby granted, free of charge, to any person obtaining 
a copy of this software and associated documentation files (the 
“Software”), to deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, merge, publish, 
distribute, sublicense, and/or sell copies of the Software, and to 
permit persons to whom the Software is furnished to do so, subject to 
the following conditions:
The above copyright notice and this permission notice shall be 
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

No Weak Passwords

This plugin forbids any user to choose any password from the "common passwords list" obtained from http://www.openwall.

Expire Passwords vs No Weak Passwords