In recent days there are hardly an banks left, which are not effected by the recent turmoil on the credit. That raises the question about the bank s credit risk management. The problems can, in many cases, be directly related to lax credit standard for borrowers and counterparties, poor portfolio risk management, or a lack of attention to the changes in economic or other circumstances. The aim of this book is to explain the credit risk management process form the rating of single facilities to sound credit risk portfolio management.