Used by millions of home users around the world.
The Secunia PSI is a FREE security tool designed to detect vulnerable and out-dated programs and plug-ins which expose your PC to attacks. Attacks exploiting vulnerable programs and plug-ins are rarely blocked by traditional anti-virus and are therefore increasingly "popular" among criminals.
Download your copy: http://secunia.com/vulnerability_scanning/personal/ [4]
Links:
[1] http://linux.philosweb.com/drupal/category/it/security
[2] http://linux.philosweb.com/drupal/category/it/software
[3] http://linux.philosweb.com/drupal/system/files/image_2_128.png
[4] http://secunia.com/vulnerability_scanning/personal/