Every one knows about ORACLE . Oracle Corporation is an American multinational computer technology corporation headquartered in Redwood City, California, United States.
I spotted some security issues in their website and finally they have fixed it . One of them was cross site scripting issue in oracle's sub-domain http://education.oracle.com
they took a long time in fixing but after the fix they acknowledged me on there website.
Oracle Critical Patch Update Advisory - January 2013 - Beta Oracle CVRF
Oracle Critical Patch Update Advisory - July 2013 - Beta Oracle CVRF