Recently with drupal.org news announced a security release and ask their user to reset the password:

The Drupal.org Security Team and Infrastructure Team has discovered unauthorized access to account information on Drupal.org and groups.drupal.org.

The impact is related to the user accounts at Drupal.org but at the same time you should look for the new drupal CMS update as well, currently drupal is in version 7.22. Check your version and update to the latest now.

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Source: Drupal.org