Drupal security modules
Base security modules for drupal:
- Login security http://drupal.org/project/login_security
- Password policy https://www.drupal.org/project/password_policy
- Update manager https://www.drupal.org/documentation/modules/update
- Captcha https://www.drupal.org/project/captcha
- Flood Control https://www.drupal.org/project/flood_control
- Secure Pages Hijack Prevention https://www.drupal.org/project/securepages_prevent_hijack
- XFS (cross frame scripting) https://www.drupal.org/project/seckit
- Idle Session Timeout https://www.drupal.org/project/autologout
- Concurrent Sessions https://www.drupal.org/project/session_limit
- ACL https://www.drupal.org/project/acl
- Two-factor Authentication (TFA) https://www.drupal.org/project/tfa
- Paranoia https://www.drupal.org/project/paranoia
- Coder https://www.drupal.org/project/coder
- Security Review https://www.drupal.org/project/security_review
- SpamSpan filter https://www.drupal.org/project/spamspan
source: http://resources.infosecinstitute.com/15-security-modules-for-drupal-to-make-website-secure/
Written on February 8, 2017