Best Practices for Securing Oracle E-Business Suite
403537.1- Secure Configuration Guide for Oracle E-Business Suite Release 12
189367.1- Secure Configuration Guide for Oracle E-Business Suite Release 11i
1357849.1- New Security Configuration Mechanism in the Attachments Feature in Oracle E-Business Suite
Oracle E-Business Suite System Administrator's Guide - Security
http://docs.oracle.com/cd/E18727_01/doc.121/e12843/toc.htm
Default Password Scanners
361482.1 - Frequently Asked Questions about Oracle Default Password Scanner
Download the sql script and the PDF document from patch 4926128
EBS Apps passwords -$FND_TOP/patch/115/sql/fnddefpw.sql – will list seeded accounts with default password