PRACTICAL GUIDE FOR SAP® SECURITY as e-book for free

This little book shall help you to understand the various elements of
SAP® security and their interaction.
Hope you enjouy reading it as much as I have enjoyed writing it.
As I will probably add more chapters over time, 
I decided to go with this e-book version.
In the available 5 chapters you can read about the following:
1. Introduction to the general authorization concept of SAP®
2. Detail view: Components of the authorization concept   
3. Basic mode of operations
4. Evaluation tools
5. How to

If you have any questions, I would be more than happy to answer them.
Please feel free to send me a mail.

This book is free for download, see attachments below.